Relativity
Gemini Observatory Captures Multicolor Image of First-ever Interstellar Comet  ASTRO WATCH · 39 minutes
The first-ever comet from beyond our Solar System has been successfully imaged by the Gemini Observatory in multiple... more
Hello, world! A new approach for physics in de Sitter space  PHYS.ORG · 7 hours
For decades, physicists have been attempting to reconcile quantum mechanics, the physics of the very small, with gravity, the physics of the very large. While many... more
Hello, world! A new approach for physics in de sitter space  SCIENCE DAILY · 8 hours
For decades, physicists have been attempting to reconcile quantum mechanics, the physics of the very small, with gravity, the physics of the very large. While many... more
From primordial black holes new clues to dark matter  PHYS.ORG · 10 hours
Primordial black holes (PBHs) are objects that formed just fractions of a second after the Big Bang, considered by many researchers among the principal candidates in explaining the nature of... more
Astronomers Observe Interstellar Comet C/2019 Q4  SCI-NEWS.COM · 1 day
Using several ground-based telescopes on La Palma and Hawaii, astronomers have observed C/2019 Q4, the first-known interstellar comet and the second-known interstellar object identified... more
Gravity surveys using a mobile atom interferometer  PHYS.ORG · 1 day
Mobile gravimetry is an important technique in metrology, navigation, geodesy and geophysics. Although atomic gravimeters are presently used for accuracy, they are constrained by instrumental fragility and complexity. In a new study, Xuejian Wu... more
The visible spectrum of C/2019 Q4 (Borisov), the first confirmed interstellar comet  PHYS.ORG · 1 day
Shortly before dawn on September 13th, Julia de León, Miquel Serra-Ricart, Javier Licandro, all members of IAC's solar system Group, and Carlos Raúl de... more
Dusty vacuums may be astronauts' biggest health risk  PHYS.ORG · 1 day
Human lungs have proven to be remarkably adaptable to life in space, but dust may their biggest challenge, even greater than the lack of gravity, according to a leading aerospace medicine expert,... more
C/2019 Q4: Second Interstellar Object Spotted in Our Solar System  SCI-NEWS.COM · 1 day
Astronomers have spotted what they believe is the second object of interstellar origin ever observed in... more
Giant Balloon-like Structures Discovered at Center of Milky Way  ASTRO WATCH · 4 days
An international team of astronomers, including Northwestern University's Farhad Yusef-Zadeh, has discovered one of the largest structures ever... more
Gemini observatory captures multicolor image of first-ever interstellar comet  PHYS.ORG · 4 days
The first-ever comet from beyond our Solar System has been successfully imaged by the Gemini Observatory in multiple colors. The image of the newly discovered object, denoted C/2019 Q4 (Borisov),... more
2nd-Known Interstellar Visitor May Have Breezed Through Our Solar System  LIVE SCIENCE · 4 days
A bright speck in the night sky may be the second known object to hurtle through our solar system after leaving another. more
Newly discovered comet is likely interstellar visitor  PHYS.ORG · 4 days
A newly discovered comet has excited the astronomical community this week because it appears to have originated from outside the solar system. The object—designated C/2019 Q4 (Borisov) - was discovered on Aug. 30, 2019,... more
NASA's Mars 2020 comes full circle  PHYS.ORG · 4 days
Engineers took NASA's Mars 2020 for a spin on Aug. 29, 2019. The 2,300-pound (1,040-kilogram) Martian vehicle was rotated clockwise and counterclockwise at about 1 revolution per minute on what is called a spin table in... more
Newfound comet likely an 'interstellar visitor,' scientists say  REUTERS · 5 days
A newly discovered comet hurtling toward the orbit of Mars has scientists scurrying to confirm whether it came from outside... more
Are Black Holes Made of Dark Energy?  ASTRO WATCH · 5 days
Two University of Hawaiʻi at Mānoa researchers have identified and corrected a subtle error that was made when applying Einstein’s equations to... more
Newly discovered comet is likely interstellar visitor  SCIENCE DAILY · 5 days
A newly discovered comet has excited the astronomical community this week because it appears to have originated from outside the solar system. The official confirmation that comet C/2019 Q4 is an interstellar comet has... more
A Distant Black Hole Brightens Every 9 Hours, and No One Knows Why  LIVE SCIENCE · 5 days
Something's disrupting the distant black hole's accretion disk, but no one knows what it is. more
Interstellar 2.0  ESA · 5 days
Astronomers have spotted an object that looks likely to be a very rare visitor from outside our Solar System. If confirmed, this unusual body would be only the second interstellar object ever... more
First 'overtones' heard in the ringing of a black hole  PHYS.ORG · 5 days
When two black holes collide, they merge into one bigger black hole and ring like a struck bell, sending out ripples in space and time called gravitational waves.... more
Unexpected periodic flares may shed light on black hole accretion  PHYS.ORG · 6 days
ESA's X-ray space telescope XMM-Newton has detected never-before-seen periodic flares of X-ray radiation coming from a distant galaxy that could help explain some enigmatic behaviours of active black... more
Scientists detect the ringing of a newborn black hole for the first time  SCIENCE DAILY · 6 days
Physicists have 'heard' the ringing of an infant black hole for the first time, and found that the pattern of this ringing... more
Black hole at the center of our galaxy appears to be getting hungrier  SCIENCE DAILY · 6 days
The enormous black hole at the center of our galaxy is having an unusually large meal, and researchers don't know why. 'We... more
Black hole at the center of our galaxy appears to be getting hungrier  nanowerk · 6 days
The enormous black hole at the center of our galaxy is having an unusually large meal, and researchers don't know why. more
Black hole at the center of our galaxy appears to be getting hungrier  PHYS.ORG · 6 days
The enormous black hole at the center of our galaxy is having an unusually large meal of interstellar gas and dust, and... more
A Goldilocks zone for planet size  SCIENCE DAILY · 6 days
Researchers have described a new, lower size limit for planets to maintain surface liquid water for long periods of time, extending the so-called Habitable or 'Goldilocks'' Zone for small, low-gravity planets. This research expands the search... more
Scientists detect the ringing of a newborn black hole for the first time  PHYS.ORG · 6 days
If Albert Einstein's theory of general relativity holds true, then a black hole, born from the cosmically quaking collisions of two massive... more
Scientists detect the ringing of a newborn black hole for the first time  nanowerk · 6 days
Physicists have 'heard' the ringing of an infant black hole for the first time, and found that the pattern of this ringing... more
One of Milky Way’s Most Extreme Runaway Stars Discovered  SCI-NEWS.COM · 6 days
A runaway star called PG 1610+062 was probably ejected from the Milky Way’s Carina-Sagittarius spiral arm at a... more
Relativity signs launch agreement with Momentus  SPACE NEWS · 6 days
Small launch vehicle developer Relativity Space announced Sept. 11 a contract with Momentus to carry a set of small satellites to geostationary orbit. SpaceNews.com more
Is Interstellar Travel Really Possible?  LIVE SCIENCE · 6 days
There's no law of physics that outright forbids interstellar travel. But that doesn't necessarily make it easy, and it certainly doesn't mean we'll achieve it in our lifetimes, let alone this century. more
Are black holes made of dark energy?  SCIENCE DAILY · 1 week
Researchers have identified and corrected a subtle error that was made when applying Einstein's equations to model the growth of the universe. more
Are black holes made of dark energy?  PHYS.ORG · 1 week
Two University of Hawaii at Manoa researchers have identified and corrected a subtle error that was made when applying Einstein's equations to model the growth of the universe. more
Mid-mass black hole hurls star across the Milky Way  PHYS.ORG · 1 week
An international team of astronomers has pinpointed the origin of a runaway high-velocity star named PG 1610+062 and determined that it was likely ejected from its birth cluster with the... more
Right Again, Einstein! Wobbling Pulsar Confirms General Relativity  LIVE SCIENCE · 1 week
A pulsar 25,000 light-years away is wobbling in a weird way. But Einstein's theory of general relativity predicted it more than a century ago. more
Fermilab achieves world-record field strength for accelerator magnet  PHYS.ORG · 1 week
To build the next generation of powerful proton accelerators, scientists need the strongest magnets possible to steer particles close to the speed of light around a ring. For a given ring size,... more
Gravity surveys using a mobile atom interferometer  Science Magazine · 2 weeks
Mobile gravimetry is important in metrology, navigation, geodesy, and geophysics. Atomic gravimeters could be among the most accurate mobile gravimeters but are currently constrained by being complex and fragile. Here, we demonstrate a mobile... more
Radio emission from a neutron star's magnetic pole revealed by General Relativity  PHYS.ORG · 2 weeks
Pulsars in binary systems are affected by relativistic effects, causing the spin axes of each pulsar to change their direction with time. A research... more
Black hole movies coming soon, says leading astronomer  PHYS.ORG · 2 weeks
By the time an international group of scientists stunned the world with the first ever image of a black hole, they were already planning a sequel: a movie showing how massive clouds... more
Space Dragons: Researchers Observe Energy Consumption in Quasars  ASTRO WATCH · 2 weeks
Quasars are the Universe's brightest beacons; shining with magnitudes more luminosity than entire galaxies and the stars they contain. In... more
Radio emission from a pulsars magnetic pole revealed by general relativity  Science Magazine · 2 weeks
Binary pulsars are affected by general relativity (GR), causing the spin axis of each pulsar to precess. We present polarimetric radio observations of the pulsar PSR... more
First Ever Black Hole Image Earns Researchers a $3 Million Prize  LIVE SCIENCE · 2 weeks
The team of researchers that captured the first direct image of a black hole was honored with an "Oscar of Science" — the 2020 Breakthrough Prize... more
Team behind world's first black hole image wins 'Oscar of science'  PHYS.ORG · 2 weeks
The 347 scientists who collaborated to produce the world's first image of a black hole were honored Thursday with the Breakthrough Prize in Fundamental Physics, winning... more
Space dragons: Researchers observe energy consumption in quasars  PHYS.ORG · 2 weeks
Quasars are the universe's brightest beacons; shining with magnitudes more luminosity than entire galaxies and the stars they contain. In the center of this light, at the heart of a quasar, researchers... more
A new alphabet to write and read quantum messages with very fast particles  SCIENCE DAILY · 2 weeks
Quantum information relies on the possibility of writing messages in a quantum particle and reading them out in a reliable way. If,... more
A new alphabet to write and read quantum messages with very fast particles  PHYS.ORG · 2 weeks
Quantum information relies on the possibility of writing messages in a quantum particle and reading them out in a reliable way. If,... more
Sensor used at CERN could help gravitational wave hunters  PHYS.ORG · 2 weeks
It started with a relatively simple goal: create a prototype for a new kind of device to monitor the motion of underground structures at CERN. But the project—the result of... more
Coherent virtual absorption of elastodynamic waves  Science Magazine · 3 weeks
Absorbers suppress reflection and scattering of an incident wave by dissipating its energy into heat. As material absorption goes to zero, the energy impinging on an object is necessarily transmitted or scattered away. Specific forms of... more
Sensor used at CERN could help gravitational-wave hunters  CERN · 3 weeks
Sensor used at CERN could help gravitational-wave hunters Ana Lopes achintya Fri, 08/30/2019 - 15:16 Aerial view of the Advanced... more
By continuously watching the moon, we could detect interstellar meteorites  PHYS.ORG · 3 weeks
When "Oumuamua crossed Earth's orbit on October 19th, 2017, it became the first interstellar object ever to be observed by humans. These and subsequent observations, rather than dispelling... more
Providing a solution to the worst-ever prediction in physics  PHYS.ORG · 3 weeks
The cosmological constant, introduced a century ago by Albert Einstein in his theory of general relativity, is a thorn in the side of physicists. The difference between the theoretical prediction... more
Break in temporal symmetry produces molecules that can encode information  PHYS.ORG · 3 weeks
In a study published in Scientific Reports, a group of researchers affiliated with São Paulo State University (UNESP) in Brazil describes an important theoretical finding that may contribute... more
Under pressure: Balloons for particle acceleration  PHYS.ORG · 3 weeks
Balloons can help make a space perfect for a party. Now they also can help when it comes to accelerating particles to near the speed of light. more
Astronomers detect an ultracompact X-ray binary using OGLE  PHYS.ORG · 3 weeks
Polish astronomers have detected a new ultracompact X-ray binary as part of the Optical Gravitational Lensing Experiment (OGLE). The newly found binary, designated OGLE-UCXB-01, is an unusual periodic variable object with a... more
Astronomers find a golden glow from a distant stellar collision  PHYS.ORG · 3 weeks
On August 17, 2017, scientists made history with the first direct observation of a merger between two neutron stars. It was the first cosmic event detected in both... more
Optical neural network could lead to intelligent cameras  SCIENCE DAILY · 3 weeks
Engineers have made major improvements on their design of an optical neural network -- a device inspired by how the human brain works -- that can identify objects or process information at... more
New theory draws connections between Planckian metals and black holes  PHYS.ORG · 3 weeks
Two researchers at Harvard University, Aavishkar A. Patel and Subir Sachdev, have recently presented a new theory of a Planckian metal that could shed light on previously unknown... more
Scientists shed new light on mystery origin of ultra-high-energy cosmic ray hotspot  PHYS.ORG · 3 weeks
Among many particles arriving from outer space, there are ones with the extremely high energy that travel at nearly the speed of light, which... more
Black Hole Holograms  ASTRO WATCH · 3 weeks
A research team from Osaka University, Nihon University and Chuo University has proposed a novel theoretical framework whose experiment could be performed in a laboratory to better understand the physics... more
Sending Even a Tiny Message Through a Black Hole Would Make It Evaporate  LIVE SCIENCE · 4 weeks
Sending a carrier pigeon across the cosmos would probably be a more reliable way to send a message. more
Quantum gravity's tangled time  SCIENCE DAILY · 4 weeks
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. However, physicists have now combined the key elements of the two theories describing the flow of... more
Modal time theory: Understanding human existence through time travel and music  PHYS.ORG · 4 weeks
Time is a fundamental dimension of human existence and comes in many forms. Using a comparative approach, philosopher and physicist Norman Sieroka looks at what distinguishes... more
Quantum gravity's tangled time  PHYS.ORG · 4 weeks
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. However, recently an international team of researchers led by physicists from the University of Vienna, the... more
A heavyweight candidate for dark matter  PHYS.ORG · 4 weeks
Almost a quarter of the universe stands literally in the shadows. According to cosmologists' theories, 25.8% of it is made up of dark matter, whose presence is signaled essentially only by its gravitational pull. What this... more
Black hole holograms  SCIENCE DAILY · 4 weeks
Researchers show how a holographic tabletop experiment can be used to simulate the physics of a black hole. This work may lead the way to a more complete theory of quantum gravity that harmonizes quantum mechanics and relativity. more
Stardust in the Antarctic snow  SCIENCE DAILY · 4 weeks
The rare isotope iron-60 is created in massive stellar explosions. Only a very small amount of this isotope reaches the earth from distant stars. Now, a research team has discovered iron-60 in Antarctic snow for the first time.... more
Researchers propose new holographic method to simulate black holes with tabletop experiment  PHYS.ORG · 4 weeks
A research team from Osaka University, Nihon University and Chuo University has proposed a novel theoretical framework whose experiment could be performed in a... more
Black hole holograms  nanowerk · 4 weeks
Researchers propose a new holographic method to simulate black holes with a tabletop experiment. This work may be crucial for solving one of the biggest mysteries in science -- reconciling quantum mechanics and general relativity. more
Scientists Find Interstellar Iron in Antarctic Snow  SCI-NEWS.COM · 4 weeks
A team of researchers from Germany, Austria and Australia has found traces of the radioactive isotope iron-60 — the tell-tale signature of... more
'UFOs' Are Flying Out from Supermassive Black Holes and Reshaping Galaxies  LIVE SCIENCE · 4 weeks
These jets of matter act like snowplows that shove gas around inside galaxies. And for the first time astronomers have spotted it happening. more
Scientists detect a black hole swallowing a neutron star  PHYS.ORG · 4 weeks
Scientists, including from The Australian National University (ANU), say they have detected a black hole swallowing a neutron star for the first time. more
Theory of Everything
MORE SCIENCE VIDEO
First 'overtones' heard in the ringing of a black hole
PHYS.ORG
Interstellar 2.0
ESA
Black hole at the center of our galaxy appears to be getting hungrier
PHYS.ORG
Is Interstellar Travel Really Possible?
LIVE SCIENCE
Gravitational wave detectors might be able to detect dark matter particles colliding with their mirrors
PHYS.ORG
By continuously watching the moon, we could detect interstellar meteorites
PHYS.ORG
Modal time theory: Understanding human existence through time travel and music
PHYS.ORG
FRESH SCIENCE