Solar System
When exoplanets collide  PHYS.ORG · 1 hour
A dramatic glimpse of the aftermath of a collision between two exoplanets is giving scientists a view at what can happen when planets crash into each other. A similar event in our own solar system may have formed the moon. more
New species take longer to arise in the Amazon  SCIENCE DAILY · 19 hours
Amazonia is home to the greatest number of species on earth, many now threatened, but a new study hammers home Amazonia's importance, showing that it is not only a place... more
New species take longer to arise in the Amazon  PHYS.ORG · 19 hours
Amazonia is home to the greatest number of species on earth, many now threatened, but a new study published October 22 in the open-access journal PLOS Biology by Jason Weir... more
Much of the Earth is still wild, but threatened by fragmentation  PHYS.ORG · 21 hours
Half of the Earth's land surface not covered with ice remains relatively wild—but many of these "low human-impact" areas are broken into small, isolated pieces, threatening... more
Mix master: Modeling magnetic reconnection in partially ionized plasma  SCIENCE DAILY · 22 hours
Many of the most dramatic events in the solar system -- the spectacle of the Northern Lights, the explosiveness of solar flares, and the destructive impact of geomagnetic storms that... more
New era of locally-sourced resources in space  ESA · 22 hours
This month space experts from all over the world convened in Luxembourg for the first Space Resources Week to discuss how best... more
Mix master: Modeling magnetic reconnection in partially ionized plasma  PHYS.ORG · 23 hours
Many of the most dramatic events in the solar system—the spectacle of the Northern Lights, the explosiveness of solar flares, and the destructive impact of geomagnetic storms that can disrupt... more
Much of the earth is still wild, but threatened by fragmentation  SCIENCE DAILY · 23 hours
Half of the Earth's land surface not covered with ice remains relatively wild -- but many of these 'low human-impact' areas are broken into small, isolated... more
Restoring Earth's natural defenders  PHYS.ORG · 23 hours
It's no secret that the forests of the world are under severe pressure from human activities. We tend to think of tropical forests, and in particular the Amazon, as bearing the brunt of the impacts of deforestation and other drivers... more
Mid-sized storms spotted on Saturn  PHYS.ORG · 24 hours
An international team of researchers has found that mid-sized storms form near Saturn's northern pole. In their paper published in the journal Nature Astronomy, the group describes discovering four of the mid-sized storms near the planet's northern polar... more
Climate change in protected areas endangers biodiversity  PHYS.ORG · 1 day
Researchers at the University of Bayreuth have calculated for the first time how climate change is likely to affect the earth's conservation areas by 2070. In Nature Communications, they present their study with which... more
Humans May Be the Only Intelligent Life in the Universe, If Evolution Has Anything to Say  LIVE SCIENCE · 1 day
A look at 4.5 billion years of Earth's history tells us that intelligence, including extraterrestrial intelligence,... more
NASA wants international partners to go to Moon too  PHYS.ORG · 1 day
As it looks to return to the Moon, NASA is open to the idea of international participation, which could mean a non-American setting foot on Earth's natural satellite for the... more
Catastrophic events carry forests of trees thousands of miles to a burial at sea  SCIENCE DAILY · 2 days
While studying sediments in the Bay of Bengal, an international team finds evidence dating back millions of years that catastrophic... more
Surveying Solar Storms by Ancient Assyrian Astronomers  ASTRO WATCH · 2 days
A research team led by the University of Tsukuba combined observations from ancient cuneiform tablets that mention unusual red skies with radioisotope... more
Catastrophic events carry forests of trees thousands of miles to a burial at sea  PHYS.ORG · 2 days
Flooding from torrential rains caused by cyclones and monsoonal storms, as well as other catastrophic events, are responsible for moving... more
Mystery solved: Ocean acidity in the last mass extinction  PHYS.ORG · 2 days
A new study led by Yale University confirms a long-held theory about the last great mass extinction event in history and how it affected Earth's oceans. The findings may also... more
NASA's James Webb Space Telescope clears critical sunshield deployment testing  PHYS.ORG · 2 days
The sunshield for NASA's James Webb Space Telescope has passed a test critical to preparing the observatory for its 2021 launch. Technicians and engineers fully deployed and tensioned... more
Lucy mission completes critical design review  PHYS.ORG · 2 days
The Lucy mission led by Southwest Research Institute is one step closer to its 2021 launch to explore the Trojan asteroids, a population of ancient small bodies that share an orbit with Jupiter. With the successful... more
Cascades of Gas Around Young Star Indicate Early Stages of Planet Formation  ASTRO WATCH · 2 days
What does a gestating baby planet look like? New research in Nature by a team including Carnegie’s Jaehan Bae investigated the effects of three... more
Female spacewalking duo uplifted by excitement below  PHYS.ORG · 2 days
The astronauts who took part in the first all-female spacewalk are still uplifted by all the excitement down on Earth. more
A star is born: Using lasers to study how star stuff is made  SCIENCE DAILY · 2 days
On a typical day at the world's biggest laser you can find scientists casually making star-like conditions using 192 high-powered lasers. Stars... more
Remarkable story of shock wave physics in post-World War II America  SCIENCE DAILY · 2 days
Physicists predicted the Hubble Space Telescope would see a rising vapor plume as the Shoemaker-Levy 9 comet crashed into the far side of Jupiter in 1994.... more
Making connections: Bringing astrophysical processes down to Earth  SCIENCE DAILY · 2 days
Magnetic reconnection, a process in which magnetic field lines tear and come back together, releasing large amounts of kinetic energy, occurs throughout the universe. The process gives rise to auroras, solar flares... more
It takes two -- a two-atom catalyst, that is -- to make oxygen from water  SCIENCE DAILY · 2 days
The search for sustainable approaches to generating new fuels has brought scientists back to one of the most... more
The 1st Human on Mars May Be a Woman, NASA Chief Says  LIVE SCIENCE · 2 days
It won't be long before we see the first woman on Mars, and she just might beat the first man there, NASA Administrator Jim... more
Plant physiology will be major contributor to future river flooding, study finds  PHYS.ORG · 2 days
he next time a river overflows its banks, don't just blame the rain clouds. Earth system scientists from the University of California, Irvine have... more
It takes two—a two-atom catalyst, that is—to make oxygen from water  PHYS.ORG · 2 days
The search for sustainable approaches to generating new fuels has brought scientists back to one of the most abundant materials on Earth—reddish iron oxide in the... more
Getting revegetation right with genetics  PHYS.ORG · 2 days
Eucalypts, wattles, banksias, grevilleas and other Australian native plants are some of the most fascinating and unique flora on Earth. more
The rotation of Venus  PHYS.ORG · 2 days
Venus is covered in a thick layer of clouds, one reason that it appears so bright in the sky. Ancient astronomers had a good idea of what (since Copernicus) we know as its orbital period; the modern measurement is that... more
A star is born: Using lasers to study how star stuff is made  PHYS.ORG · 2 days
On a typical day at the world's biggest laser, the National Ignition Facility (NIF) in Livermore, California, you can find scientists casually... more
New supercomputer simulations explore magnetic reconnection and make a surprising discovery  PHYS.ORG · 2 days
Magnetic reconnection, a process in which magnetic field lines tear and come back together, releasing large amounts of kinetic energy, occurs throughout the universe. The process... more
Sandia scientists tell the remarkable story of shock wave physics in post-World War II America  PHYS.ORG · 2 days
Sandia National Laboratories physicists Mark Boslough and Dave Crawford predicted the Hubble Space Telescope would see a rising... more
Hubble Observes Dwarf Spiral: IC 4653  SCI-NEWS.COM · 2 days
The NASA/ESA Hubble Space Telescope has taken a beautiful picture of the dwarf spiral galaxy IC 4653. IC 4653 is located approximately 80 million... more
Data mining applied to scholarly publications to finally reveal Earth's biodiversity  PHYS.ORG · 2 days
At a time when a million species are at risk of extinction, according to a recent UN report, ironically, we don't know how many species there... more
Analysis of Galileo’s Jupiter Entry Probe Reveals Gaps in Heat Shield Modeling  ASTRO WATCH · 3 days
The entry probe of the Galileo mission to Jupiter entered the planet's atmosphere in 1995 in fiery fashion. As the probe descended from Mach... more
Mars once had salt lakes similar to those on Earth  SCIENCE DAILY · 4 days
Mars once had salt lakes that are similar to those on Earth and has gone through wet and dry periods. more
Report calls for changes in planetary protection policies  SPACE NEWS · 4 days
An independent report is calling on NASA to update decades’ old planetary protection policies to reflect changing knowledge of solar... more
Soil on Moon and Mars Likely to Support Crops  ASTRO WATCH · 4 days
Researchers at Wageningen University & Research in the Netherlands have produced crops in Mars and Moon soil simulant... more
Mars 2020 unwrapped and ready for testing  PHYS.ORG · 4 days
In this time-lapse video, taken on Oct. 4, 2019, at NASA's Jet Propulsion Laboratory in Pasadena, California, bunny-suited engineers remove the inner layer of protective antistatic foil on the Mars 2020 rover after the... more
First all-female spacewalking team makes history  PHYS.ORG · 5 days
The world's first all-female spacewalking team made history high above Earth on Friday, replacing a broken part of the International Space Station's power grid. more
World's 1st female spacewalking team makes history  PHYS.ORG · 5 days
The world's first female spacewalking team made history high above Earth on Friday, floating out of the International Space Station to fix a broken part of the power network. more
Origin and chemical makeup of Saturn's Moon Titan's dunes  SCIENCE DAILY · 5 days
Astronomers exposed acetylene ice -- a chemical that is used on Earth in welding torches and exists at Titan's equatorial regions -- at low temperatures to proxies of high-energy galactic... more
Europe's largest meteorite crater home to deep ancient life  PHYS.ORG · 5 days
Fractured rocks of impact craters have been suggested to host deep microbial communities on Earth, and potentially other terrestrial planets, yet direct evidence remains elusive. In a new study published... more
Manufacturing minerals could transform the gem market, medical industries, and mitigate climate change  PHYS.ORG · 5 days
Last month, scientists uncovered a mineral called Edscottite. Minerals are solid, naturally occurring substances that are not living, such as quartz or... more
What Is the Cryosphere?  LIVE SCIENCE · 5 days
The cryosphere is critical to Earth and its inhabitants, but it is vanishing as the planet warms. more
InSight instrument resumes movement into Martian surface  SPACE NEWS · 5 days
A probe on NASA’s InSight Mars lander that has been stuck for months is moving deeper into the surface again thanks to... more
Korean Peninsula  ESA · 5 days
Earth observation image of the week: Copernicus Sentinel-3 takes us over the Korean Peninsula more
Ancient stars shed light on Earth's similarities to other planets  SCIENCE DAILY · 6 days
Earth-like planets may be common in the universe, a new study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is not unique. more
Mars InSight's 'mole' is moving again  PHYS.ORG · 6 days
NASA's InSight spacecraft has used its robotic arm to help its heat probe, known as "the mole," dig nearly 2 centimeters (3/4 of an inch) over the past week. While modest, the movement is significant: Designed... more
Oxygen fugacities of extrasolar rocks: Evidence for an Earth-like geochemistry of exoplanets  Science Magazine · 6 days
Oxygen fugacity is a measure of rock oxidation that influences planetary structure and evolution. Most rocky bodies in the Solar System formed at oxygen... more
Ancient stars shed light on Earth's similarities to other planets  PHYS.ORG · 6 days
Earth-like planets may be common in the universe, a new UCLA study implies. The team of astrophysicists and geochemists presents new evidence that the Earth is not unique.... more
How aerosols affect our climate  SCIENCE DAILY · 6 days
Greenhouse gases may get more attention, but aerosols -- from car exhaust to volcanic eruptions -- also have a major impact on the Earth's climate. Using a massive NASA dataset, researchers have created a framework that helps explain... more
Fingerprints of Earth's original building blocks discovered in diamond-bearing rocks  SCIENCE DAILY · 6 days
Scientists have detected primordial chemical signatures preserved within modern kimberlites, according to new research. The results provide critical insight for understanding the formation of Earth. more
Near-Earth asteroids spectroscopic survey at the Isaac Newton telescope  PHYS.ORG · 6 days
The study of near-Earth asteroids (NEAs) is driven by both scientific and practical reasons. Because of their proximity to our planet, they can provide key information regarding the delivery of... more
What happens under the Yellowstone Volcano?  SCIENCE DAILY · 6 days
A recent study helps to better explain the processes in the Earth's interior beneath the Yellowstone supervolcano. more
Hubble observes first confirmed interstellar comet  SCIENCE DAILY · 6 days
Hubble has given astronomers their best look yet at an interstellar visitor -- comet 2I/Borisov -- whose speed and trajectory indicate it has come from beyond our solar system. Comet 2I/Borisov is only the second such... more
A new theory to explain how the dunes on Titan formed  PHYS.ORG · 6 days
A trio of researchers with the University of Hawaii has developed a new theory to explain how the dunes on Saturn's largest moon, Titan, may have... more
HiRISE views NASA's InSight and Curiosity on Mars  PHYS.ORG · 6 days
The HiRISE camera on NASA's Mars Reconnaissance Orbiter recently sent home eye-catching views of the agency's InSight lander and its Curiosity rover. more
Information theory as a forensics tool for investigating climate mysteries  SCIENCE DAILY · 6 days
During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. A new article suggests that mathematics from information theory could offer a powerful tool... more
Tiny particles lead to brighter clouds in the tropics  SCIENCE DAILY · 6 days
When clouds loft tropical air masses higher in the atmosphere, that air can carry up gases that form into tiny particles, starting a process that may end up brightening lower-level... more
Information theory as a forensics tool for investigating climate mysteries  PHYS.ORG · 6 days
During Earth's last glacial period, temperatures on the planet periodically spiked dramatically and rapidly. Data in layers of ice of Greenland and Antarctica show that these warming events—called... more
Gas 'waterfalls' reveal infant planets around young star  nanowerk · 7 days
The birthplaces of planets are disks made out of gas and dust. Astronomers study these so-called protoplanetary disks to understand the processes of planet formation. Beautiful images of these disks show distinct... more
Tracing interstellar dust back to the solar system's formation  nanowerk · 7 days
Interplanetary particles from Earth's upper atmosphere contain dust from the initial formation of the solar system. The exotic grains may represent the building blocks of planets from 4.6 billion years... more
Low-temperature synthesis of polycyclic aromatic hydrocarbons in Titans surface ices and on airless bodies  Science Magazine · 7 days
Titan’s equatorial dunes represent the most monumental surface structures in our Solar System, but the chemical composition of their dark... more
Increase in levels of methylmercury due to climate change could have a cascade of effects  NEWS MEDICAL · 7 days
As global temperatures continue to rise, the thawing of permafrost in Arctic areas is being accelerated and mercury... more
Researchers find climate change increases risk of mercury contamination  PHYS.ORG · 7 days
As global temperatures continue to rise, the thawing of permafrost in Arctic areas is being accelerated and mercury that has been trapped in the frozen ground is now being released... more
Gas 'waterfalls' reveal infant planets around young star  PHYS.ORG · 7 days
The birthplaces of planets are disks made out of gas and dust. Astronomers study these so-called protoplanetary disks to understand the processes of planet formation. Beautiful images of disks made with the... more
Tiny particles lead to brighter clouds in the tropics  PHYS.ORG · 7 days
When clouds loft tropical air masses higher in the atmosphere, that air can carry up gases that form into tiny particles, starting a process that may end up brightening lower-level... more
Surveying solar storms by ancient Assyrian astronomers  SCIENCE DAILY · 7 days
Researcher finds evidence of ancient solar magnetic storms based on cuneiform astrological records and carbon-14 dating. This work may help with our understanding of intense solar activity that can threaten modern electronics. more
Climate change increases risk of mercury contamination  SCIENCE DAILY · 7 days
As global temperatures continue to rise, the thawing of permafrost is accelerated and mercury trapped in the frozen ground is now being released. The mercury is transforming into more mobile and potentially toxic forms... more
What gives a 3-meter-long Amazonian fish some of the toughest scales on Earth  SCIENCE DAILY · 7 days
Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. It's... more
What gives a three-meter-long Amazonian fish some of the toughest scales on Earth  PHYS.ORG · 7 days
Arapaima gigas is a big fish in a bigger river full of piranhas, but that doesn't mean it's an easy meal. The... more
Solar storm surveys by ancient Assyrian astronomers  PHYS.ORG · 7 days
Scientists at the University of Tsukuba study ancient cuneiform records for evidence of unusual solar activity 2,700 years ago, and identify three possible magnetic storms by matching the dates with tree-ring radioisotope data more
Venus May Never Have Been Wet and Warm World  SCI-NEWS.COM · 1 week
A team of planetary researchers from the Lunar and Planetary Institute (LPI) and elsewhere has found that a... more
Radioactive chlorine from nuclear bomb tests still present in Antarctica  PHYS.ORG · 1 week
Antarctica's ice sheets are still releasing radioactive chlorine from marine nuclear weapons tests in the 1950s, a new study finds. This suggests regions in Antarctica store and vent... more
Telescope technology used to take first undistorted images of eye area involved in glaucoma  NEWS MEDICAL · 1 week
Using methods originally developed by astronomers to view stars more clearly through Earth's atmosphere, optometry researchers at Indiana University have... more
NASA unveils flexible, one-size-fits-all space suits  PHYS.ORG · 1 week
Bye bye to bunny hops: when US astronauts next touch down on the Moon, expect them to walk almost as they do on Earth, thanks to a new generation of spacesuits offering key advantages over those... more
NRO awards imagery subscription contract to Planet  SPACE NEWS · 1 week
The National Reconnaissance Office awarded a commercial imagery subscription contract to Planet Labs Federal, a subsidiary of Earth observation company Planet. SpaceNews.com more
Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling  PHYS.ORG · 1 week
The entry probe of the Galileo mission to Jupiter entered the planet's atmosphere in 1995 in fiery fashion. As the probe descended from Mach... more
Soil on moon and Mars likely to support crops  PHYS.ORG · 1 week
Researchers at Wageningen University & Research in the Netherlands have produced crops in Mars and Moon soil simulant developed by NASA. The research supports the idea that it would not... more
Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling  nanowerk · 1 week
Data from the probe's 1995 fireball has continued to confound those studying the mission. New simulations and faster computers point to bettering atmospheric entry... more
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