Relativity
Red Wine's Resveratrol Could Help Mars Explorers Stay Strong, Says Harvard Study  ASTRO WATCH · 20 hours
Mars is about 9 months from Earth with today's tech, NASA reckons. As the new space race hurtles forward, Harvard researchers are asking: how... more
Giant Hawaii telescope to focus on big unknowns of universe  PHYS.ORG · 20 hours
Is there life on planets outside our solar system? How did stars and galaxies form in the earliest years of the universe? How do black holes shape galaxies? more
Resveratrol found in grapes could help astronauts on Mars  NEWS MEDICAL · 1 day
For the first humans on landing on Mars, a natural ingredient resveratrol could help prevent muscle atrophy due to zero gravity says a report in the Frontiers in Physiology. more
Temporal color mixing and dynamic beam shaping with silicon metasurfaces  Science Magazine · 2 days
Metasurfaces offer the possibility to shape optical wavefronts with an ultracompact, planar form factor. However, most metasurfaces are static, and their optical functions are fixed after the fabrication... more
Red wine's resveratrol could help Mars explorers stay strong  SCIENCE DAILY · 2 days
Mars is about 9 months from Earth with today's tech, NASA reckons. As the new space race hurtles forward, researchers are asking: how do we make sure the winners can... more
Apollo 11 Flight Log, July 18, 1969: Entering the Moon's Gravity  SPACE.COM · 2 days
On the second day of their historic mission to land on the moon for the first time, the Apollo 11 crew of Neil Armstrong (commander), Mike... more
Apollo 11 Is Turning 50. Why All the Moon-Landing Anniversary Hype?  SPACE.COM · 2 days
In case you haven't heard, the Apollo 11 mission that landed humans on the moon happened exactly 50 years ago — but why does that temporal... more
Highly anticipated nuclear experiment underway  PHYS.ORG · 3 days
Neutron stars were recently in the news because the gravitational wave observatory, LIGO, detected a neutron star merger. Neutron stars are very interesting objects. A teaspoon of neutron star matter is so dense it would weigh about 10... more
Gravity observations confirm that Louisiana is sinking  PHYS.ORG · 3 days
Louisiana is officially sinking. It has been 29 years since the National Geodetic Survey, or NGS, measured the state's subsidence. After completing four absolute gravity observations this past year, with the help of LSU's... more
Miniature gravitational-wave detector to be built at Northwestern  PHYS.ORG · 3 days
A team of physicists and astronomers from Northwestern University is poised to lead gravitational-wave astronomy into its next evolution. The W. M. Keck Foundation has awarded $1 million, which will be used... more
Hubble Uncovers Black Hole Disk that Shouldn't Exist  ASTRO WATCH · 5 days
As if black holes weren't mysterious enough, astronomers using NASA's Hubble Space Telescope have found an unexpected thin disk of... more
Improving heat recycling with the thermodiffusion effect  PHYS.ORG · 5 days
Absorption heat transformers can effectively reuse the waste heat generated in various industries. In these devices, specialised liquids form thin films as they flow downward due to gravity. These liquid films can absorb vapour,... more
'Missing' Interstellar Iron May Just Be Good at Hiding  SPACE.COM · 6 days
A new study suggests the universe's missing iron may not be missing at all, just really good at hiding. more
Japanese startup gears up for its fourth rocket launch  PHYS.ORG · 1 week
Japanese startup Interstellar Technologies Inc. (IST) gears up to conduct another rocket launch on Saturday July 13, just about two months after it successfully sent the MOMO-F3 sounding rocket into... more
Japanese Startup Gears Up for Its Fourth Rocket Launch  ASTRO WATCH · 1 week
Japanese startup Interstellar Technologies Inc. (IST) gears up to conduct another rocket launch on Saturday, July 13, just... more
Tungsten as Interstellar Radiation Shielding?  ASTRO WATCH · 1 week
A boiling point of 5900 degrees Celsius and diamond-like hardness in combination with carbon: tungsten is the heaviest metal, yet has biological functions - especially in... more
What Are Black Holes?  SPACE.COM · 1 week
Black holes are mysterious objects of extreme density, with such strong gravitational attraction that even light cannot escape from their grasp if it comes near enough. more
A connection between quantum correlations and spacetime geometry  PHYS.ORG · 1 week
Researchers of the Academy explore the consequences of locality for measurements distributed in spacetime. Their article has now been published in the Nature journal Quantum Information. more
New virtual laboratory for merging neutron stars  PHYS.ORG · 1 week
For the first time, a high-performance computer will make it possible to simulate gravitational waves, magnetic fields and neutrino physics of neutron stars simultaneously. more
Hubble discovers mysterious black hole disc  PHYS.ORG · 1 week
Astronomers using the NASA/ESA Hubble Space Telescope have observed an unexpected thin disc of material encircling a supermassive black hole at the heart of the spiral galaxy NGC 3147, located 130 million light-years away. more
Hubble uncovers black hole that shouldn't exist  SCIENCE DAILY · 1 week
As if black holes weren't mysterious enough, astronomers have found an unexpected thin disk of material furiously whirling around a supermassive black hole at the heart of the magnificent spiral galaxy NGC 3147, located... more
Hubble uncovers black hole disk that shouldn't exist  nanowerk · 1 week
As if black holes weren't mysterious enough, astronomers using NASA's Hubble Space Telescope have found an unexpected thin disk of material furiously whirling around a supermassive black hole at the heart of... more
Astronomers Develop New Method for Measuring Hubble Constant  SCI-NEWS.COM · 1 week
The Hubble constant measures the current expansion rate of our Universe and plays a fundamental role in cosmology: it can... more
'Missing' Interstellar Iron May Just Be Good at Hiding  LIVE SCIENCE · 1 week
Interstellar space should be filled with gaseous iron. But until now, astronomers couldn't find it. more
Pair of supermassive black holes discovered on a collision course  SCIENCE DAILY · 1 week
Astronomers have spotted a pair of supermassive black holes on a collision course in a galaxy 2.5 billion light-years away. Coincidentally, the pair will begin producing gravitational waves... more
Imaging striatal dopamine release using a nongenetically encoded near infrared fluorescent catecholamine nanosensor  Science Magazine · 1 week
Neuromodulation plays a critical role in brain function in both health and disease, and new tools that capture neuromodulation with high spatial... more
Hard soil, big jumps and epiphanies: what it's like on the Moon  PHYS.ORG · 1 week
Twelve American men walked on the Moon between 1969 and 1972, with most describing in great detail their experiences on the dusty, low-gravity world... more
Interstellar iron isn't missing, it's just hiding in plain sight  SCIENCE DAILY · 2 weeks
Cosmochemists have found that interstellar iron and carbon form a kind of linked molecule that cloaks the iron -- and helps stabilize large carbon molecules. more
Interstellar iron isn't missing, it's just hiding in plain sight  PHYS.ORG · 2 weeks
Astrophysicists know that iron (chemical symbol: Fe) is one of the most abundant elements in the universe, after lightweight elements such as hydrogen, carbon, and oxygen. Iron is... more
Tungsten as interstellar radiation shielding?  PHYS.ORG · 2 weeks
A boiling point of 5900 degrees Celsius and diamond-like hardness in combination with carbon: tungsten is the heaviest metal, yet has biological functions—especially in heat-loving microorganisms. A team led by Tetyana Milojevic from the Faculty of Chemistry at... more
Tungsten as interstellar radiation shielding?  nanowerk · 2 weeks
Metallophilic microorganisms could benefit from the heavy metal in harsh survival conditions. more
Discovering exoplanets with gravitational waves  PHYS.ORG · 2 weeks
In a recent paper in Nature Astronomy, researchers from the Max Planck Institute for Gravitational Physics (Albert Einstein Institute/AEI) in Potsdam and from the French Alternative Energies and Atomic Energy Commission (CEA) in Saclay, Paris suggest how the... more
Powering the extreme jets of active galaxies  PHYS.ORG · 2 weeks
An active galaxy nucleus (AGN) contains a supermassive black hole that is vigorously accreting material. It typically ejects jets of particles that move at close to the speed of light, radiating across many wavelengths,... more
Supercomputer shows 'Chameleon Theory' could change how we think about gravity  SCIENCE DAILY · 2 weeks
Supercomputer simulations of galaxies have shown that Einstein's theory of General Relativity might not be the only way to explain how gravity works or how galaxies... more
New method may resolve difficulty in measuring universe's expansion  PHYS.ORG · 2 weeks
Astronomers using National Science Foundation (NSF) radio telescopes have demonstrated how a combination of gravitational-wave and radio observations, along with theoretical modeling, can turn the mergers of pairs of neutron... more
Supercomputer shows 'Chameleon Theory' could change how we think about gravity  nanowerk · 2 weeks
Supercomputer simulations of galaxies have shown that Einstein's theory of General Relativity might not be the only way to explain how gravity works or how galaxies... more
New method may resolve difficulty in measuring universe's expansion  nanowerk · 2 weeks
Astronomers have demonstrated how a combination of gravitational-wave and radio observations, along with theoretical modeling, can turn the mergers of pairs of neutron stars into a 'cosmic ruler' capable of... more
Supercomputer shows 'Chameleon Theory' could change how we think about gravity  PHYS.ORG · 2 weeks
Supercomputer simulations of galaxies have shown that Einstein's theory of General Relativity might not be the only way to explain how gravity works or how galaxies... more
Antigravity water transport system inspired by trees  PHYS.ORG · 2 weeks
Efficiently moving water upward against gravity is a major feat of human engineering, yet one that trees have mastered for hundreds of millions of years. In a new study, researchers have designed a tree-inspired... more
The Largest Black Holes in the Universe Formed in a Snap — Then Stopped  SPACE.COM · 2 weeks
The biggest, oldest black holes in the universe shouldn't technically exist. A new study provides fresh evidence for the weird,... more
Chandra Uses Gravitational Lens to Capture Spinning Black Holes  SCI-NEWS.COM · 2 weeks
By combining the capability of NASA’s Chandra X-ray Observatory with the power of a natural phenomenon called gravitational... more
The Largest Black Holes in the Universe Formed in a Snap — Then Stopped  LIVE SCIENCE · 2 weeks
The biggest, oldest black holes in the universe shouldn't technically exist. A new study provides fresh evidence for the weird,... more
X-rays spot spinning black holes across cosmic sea  PHYS.ORG · 2 weeks
Like whirlpools in the ocean, spinning black holes in space create a swirling torrent around them. However, black holes do not create eddies of wind or water. Rather, they generate disks of... more
Artificial gravity breaks free from science fiction  PHYS.ORG · 2 weeks
Artificial gravity has long been the stuff of science fiction. Picture the wheel-shaped ships from films like 2001: A Space Odyssey and The Martian, imaginary craft that generate their own gravity by spinning around... more
Black hole brings down curtain on jellyfish galaxy's star turn  PHYS.ORG · 2 weeks
The role of an excited black hole in the death of an exotic 'jellyfish' galaxy will be presented today (3 July) by Callum Bellhouse of the University of... more
What Is Relativity?  LIVE SCIENCE · 3 weeks
Albert Einstein was famous for many things, but his greatest brainchild is the theory of relativity. It forever changed our understanding of space and time. more
Redefining the limits of measurement accuracy  PHYS.ORG · 3 weeks
For centuries, humans have been expanding their understanding of the world through more and more precise measurement of light and matter. Today, quantum sensors achieve extremely accurate results. An example of this is the development of... more
Learning how to protect astronauts from space radiation  PHYS.ORG · 3 weeks
There is little known about the effects of space radiation on the human body. Astronauts cannot see or feel it, yet the high doses they are exposed to outside Earth's cocoon pose... more
Scientists conclude cigar-shaped interstellar object not an alien spaceship  REUTERS · 3 weeks
After investigating the nature of a mysterious and apparently cigar-shaped object called 'Oumuamua spotted in 2017 speeding through... more
'Oumuamua is not an alien spacecraft  SCIENCE DAILY · 3 weeks
Early reports of the interstellar visitor 'Oumuamua's odd characteristics led some to speculate that the object could be an alien spacecraft, sent from a distant civilization to examine our star system. But a new analysis by... more
No Aliens Needed: Odd Properties of the 1st Known Interstellar Visitor Can Be Natural  SPACE.COM · 3 weeks
'Oumuamua, the first known interstellar visitor, doesn't need an extraterrestrial solution to explain its oddities, according to a new study. more
Health screening from age 40 helps avoid the black hole of aging  NEWS MEDICAL · 3 weeks
Seeing a health professional for a full health screening - even when you feel healthy - from around age 40 enables people to make... more
Radiation sensitive  ESA · 3 weeks
There is little known about the effects of space radiation on the human body. Astronauts cannot see or feel it, yet the high doses they are exposed to outside Earth’s cocoon pose... more
'Oumuamua is not an alien spacecraft: study  PHYS.ORG · 3 weeks
On October 19, 2017, astronomers discovered the first known interstellar object to visit our solar system. First spotted by the Panoramic Survey Telescope and Rapid Response System 1 (PanSTARRS1) telescope located at the University of... more
Self-Torque: Physicists Discover New Property of Light  SCI-NEWS.COM · 3 weeks
An international team of physicists has theoretically predicted and experimentally generated light beams with a new property that they call the self-torque... more
Researchers decipher the history of supermassive black holes in the early universe  SCIENCE DAILY · 3 weeks
Astrophysicists have found evidence for the direct formation of black holes that do not need to emerge from a star remnant. The production of... more
NASA needs your help: Do you know how to grow plants in space?  PHYS.ORG · 3 weeks
Do you know how to maintain a family-sized garden without unlimited soil, natural sunlight and Earth's gravity? If the answer is yes,... more
Researchers decipher the history of supermassive black holes in the early universe  PHYS.ORG · 3 weeks
Astrophysicists at Western University have found evidence for the direct formation of black holes that do not need to emerge from a star remnant.... more
Optimal quantum computation linked to gravity  PHYS.ORG · 3 weeks
Information and gravity may seem like completely different things, but one thing they have in common is that they can both be described in the framework of geometry. Building on this connection, a new paper suggests... more
Cosmic waves discovery could unlock mysteries of intergalactic space  PHYS.ORG · 3 weeks
Scientists were celebrating a groundbreaking astronomical discovery Thursday that they say could pave the way for mapping the outer reaches of the universe. more
Generation of extreme-ultraviolet beams with time-varying orbital angular momentum  Science Magazine · 3 weeks
Light fields carrying orbital angular momentum (OAM) provide powerful capabilities for applications in optical communications, microscopy, quantum optics, and microparticle manipulation. We introduce a property of light beams, manifested as... more
Astronomers discover eight buried dual AGN candidates  PHYS.ORG · 3 weeks
Astronomers discovered eight buried dual AGN candidates, the largest sample of hidden accreting supermassive black holes in late stage galaxy mergers, selected using NASA's Wide-Field Infrared Survey Explorer (WISE) space telescope. This result will... more
Plant seeding and panspermia  PHYS.ORG · 3 weeks
The first detection of an interstellar asteroid/comet-like object visiting the Solar system two years ago has sparked ideas about the possibility of interstellar travel. New research from the Technion–Israel Institute of Technology suggests that such objects also raise far reaching... more
Astronomers Find Ionized Buckyballs in Interstellar Medium  SCI-NEWS.COM · 3 weeks
Astronomers using the NASA/ESA Hubble Space Telescope have confirmed the presence of ionized (electrically-charged) buckminsterfullerene in the interstellar medium — the gas... more
Printing graphene inks in space  nanowerk · 3 weeks
Studying the different self-assembly modes of graphene into functional patterns in zero-gravity will enable the fabrication of graphene electronic devices during long-term space missions, as well as help understand fundamental properties of graphene printing on Earth. more
Study: Internet perpetuates job market inequality  PHYS.ORG · 3 weeks
Recent research finds the internet is giving both employers and job seekers access to more information, but has not made the hiring process more meritocratic. Instead, lower-wage jobs have become "black holes," with intense competition for... more
Modelling galactic settlement  PHYS.ORG · 3 weeks
What looks like a still of an exploding firework is actually taken from an ESA simulation of humankind's expansion across the stars, produced for an international competition. Each dot is a habitable star system, with the colored stripes representing interstellar... more
Hubble finds electrically-charged buckyballs in interstellar space  nanowerk · 3 weeks
Scientists using NASA's Hubble Space Telescope have confirmed the presence of electrically-charged molecules in space shaped like soccer balls, shedding light on the mysterious contents of the interstellar medium (ISM) - the gas and... more
Dairy Queen Whips Up 'Zero Gravity' Blizzard for Moon Landing 50th  SPACE.COM · 4 weeks
Dairy Queen is turning its celebration of the first moon landing upside down. The soft serve ice cream chain has debuted the "Zero Gravity Blizzard," a... more
Hubble finds tiny 'electric soccer balls' in space, helps solve interstellar mystery  PHYS.ORG · 4 weeks
Scientists using NASA's Hubble Space Telescope have confirmed the presence of electrically-charged molecules in space shaped like soccer balls, shedding light on the mysterious... more
Resonance-enhanced tunneling induces flourine and para-hydrogen reaction in interstellar clouds  PHYS.ORG · 4 weeks
Scientists from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences and their collaborators investigated the mechanism of rapid reactivity of the F +... more
Voracious Black Holes Could Feed Alien Life on Rogue Worlds  SPACE.COM · 4 weeks
Black holes are engines of destruction on a cosmic scale, but they may also be the bringers of life. more
Human sperm retains its complete viability within different gravitational conditions  NEWS MEDICAL · 4 weeks
Zillionaires like Amazon founder Jeff Bezos who see the 'colonization' of space as an answer to the Earth's ever threatened resources will be reassured to learn that human... more
Researchers Find Quantum Gravity Has No Symmetry  ASTRO WATCH · 4 weeks
A new study by a pair of researchers in the US and Japan has found that, when gravity is combined with quantum... more
Einstein's relativity document gifted to Nobel museum  PHYS.ORG · 4 weeks
The Nobel Museum in Stockholm has been gifted Albert Einstein's first paper published after he received the Nobel Prize in 1922 and discussing his then still controversial relativity theory. more
ESA's new mission to intercept a comet  PHYS.ORG · 4 weeks
"Comet Interceptor" has been selected as ESA's new fast-class mission in its Cosmic Vision Programme. Comprising three spacecraft, it will be the first to visit a truly pristine comet or other interstellar object that... more
Physicists Say Quantum Gravity ‘Has No Symmetry’  SCI-NEWS.COM · 1 month
An international team of theoretical physicists has found that when gravity is combined with quantum mechanics, no global symmetries are possible. “There... more
Theory of Everything
Apollo 11 Flight Log, July 18, 1969: Entering the Moon's Gravity
SPACE.COM
X-rays spot spinning black holes across cosmic sea
PHYS.ORG
Artificial gravity breaks free from science fiction
PHYS.ORG
Fresh