Relativity
Mystery of coronae around supermassive black holes deepens  SCIENCE DAILY · 14 hours
Researchers have used observations from the ALMA radio observatory to measure, for the first time, the strength of magnetic fields near two supermassive black holes at the centers of an important type... more
Mystery of coronae around supermassive black holes deepens  PHYS.ORG · 14 hours
Researchers from RIKEN and JAXA have used observations from the ALMA radio observatory located in northern Chile and managed by an international consortium including the National Astronomical Observatory of Japan (NAOJ) to... more
Mysterious giant dust particles found at gravity-defying distances  PHYS.ORG · 15 hours
An unknown influence is allowing giant dust particles to spread around the world and could be contributing to global warming, scientists have found. more
Gravity is mathematically relatable to dynamics of subatomic particles  PHYS.ORG · 17 hours
Albert Einstein's desk can still be found on the second floor of Princeton's physics department. Positioned in front of a floor-to-ceiling blackboard covered with equations, the desk seems to embody... more
Unrelated events are linked in memory when they happen close together  SCIENCE DAILY · 1 day
When two events occur within a brief window of time they become linked in memory, such that calling forth memory of one helps retrieve memory for... more
NASA research reveals Saturn is losing its rings at 'worst-case-scenario' rate  PHYS.ORG · 2 days
New NASA research confirms that Saturn is losing its iconic rings at the maximum rate estimated from Voyager 1 & 2 observations made decades ago. The... more
Scientists invent easier, cheaper way to measure gravity  PHYS.ORG · 2 days
The world has one official kilogram against which all other country's kilograms are measured and scales calibrated. more
Image: Giant black hole powers cosmic fountain  PHYS.ORG · 3 days
Before electrical power became available, water fountains worked by relying on gravity to channel water from a higher elevation to a lower one. This water could then be redirected to shoot out of the... more
Scientists dismiss the idea of travel through wormholes  PHYS.ORG · 5 days
A RUDN employee and Brazilian colleagues have called into question the concept of using stable wormholes as portals to different points of space-time. The results of the studies were published in Physical... more
Exactly how we would send our first laser-powered probe to Alpha Centauri  PHYS.ORG · 5 days
The dream of traveling to another star system, and maybe even finding populated worlds there, is one that has preoccupied humanity for many generations.... more
Innovation increases observable volume of the universe by a factor of seven  PHYS.ORG · 5 days
The detection of Einstein's gravitational waves relies on highly precise laser measurements of small length changes. The kilometer-size detectors of the international network (GEO600,... more
NASA's Voyager 2 Went Interstellar the Same Day a Solar Probe Touched the Sun  SPACE.COM · 5 days
Call it a cosmic coincidence: Two probes launched four decades apart, traveled in opposite directions — and ended up using... more
Tangled magnetic fields power cosmic particle accelerators  nanowerk · 5 days
Scientists find a new way to explain how a black hole's plasma jets boost particles to the highest energies observed in the universe. The results could also prove useful for fusion and accelerator research... more
Integrative functional genomic analysis of human brain development and neuropsychiatric risks  Science Magazine · 5 days
To broaden our understanding of human neurodevelopment, we profiled transcriptomic and epigenomic landscapes across brain regions and/or cell types for the entire span of prenatal and... more
Increasing the effectivity of condensation through electrowetting  PHYS.ORG · 6 days
Researchers of the department of Physics of Complex Fluids of the University of Twente's MESA+ institute have succeeded in increasing the effectivity of condensation through gravity-driven electrowetting. "We have been able to increase condensation... more
Time travel is possible – but only if you have an object with infinite mass  PHYS.ORG · 6 days
The concept of time travel has always captured the imagination of physicists and laypersons alike. But is it... more
Bose-Einstein condensates cannot currently detect gravitational waves  SCIENCE DAILY · 6 days
The gravitational waves created in the depths of space indeed reach Earth. Their effects, however, are so small that they could only be observed so far using kilometer-long measurement facilities. Physicists therefore discuss whether... more
Voyager 2 Reaches Interstellar Space  SCI-NEWS.COM · 1 week
Forty-one years after it launched into space, NASA’s Voyager 2 spacecraft has crossed the outer edge of the heliosphere. Called the heliopause, this boundary is where... more
What's Next for NASA's Voyager 2 in Interstellar Space?  SPACE.COM · 1 week
Voyager 2 has passed an incredible milestone in its journey to explore the solar system by entering interstellar space, but neither its travels nor its science are ending any time... more
3 Questions: MIT goes interstellar with Voyager 2  MIT · 1 week
MIT Kavli's John Richardson describes MIT's role in the historic passing of the Voyager 2 craft past the heliopause and into the interstellar medium. more
Voyager 2: Sailing Among Giant Planets  SPACE.COM · 1 week
Voyager 2 is the only spacecraft to have visited all four giant outer planets in the solar system and is now the second spacecraft to reach interstellar space. more
Voyager 2 spacecraft enters interstellar space  SCIENCE-NEWS · 1 week
Voyager 2 just became the second probe ever to enter interstellar space, and the first with a working plasma instrument. more
Voyager 2 enters interstellar space  SPACE NEWS · 1 week
As NASA’s Voyager 2 spacecraft enters interstellar space, project officials have high hopes that it and its twin spacecraft will continue to operate for as long... more
NASA's Voyager 2 probe enters interstellar space  SCIENCE DAILY · 1 week
For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere -- the protective bubble of particles and magnetic fields... more
NASA's Voyager 2 probe enters interstellar space  PHYS.ORG · 1 week
For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere – the protective bubble of particles and magnetic fields... more
Voyager 2 Enters Interstellar Space  ASTRO WATCH · 1 week
For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere -... more
Astronomers Think They've Figured Out the Raging Swirls of Gas Around Supermassive Black Holes  SPACE.COM · 2 weeks
Churning, hellish, hot-cold gas storms swirl around our universe's supermassive black holes. But the scientists involved in discovering them would... more
Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet  Science Magazine · 2 weeks
Stellar heating causes atmospheres of close-in exoplanets to expand and escape. These extended atmospheres are difficult to observe because their main spectral... more
Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b  Science Magazine · 2 weeks
Hot gas giant exoplanets can lose part of their atmosphere due to strong stellar irradiation, affecting their physical and chemical evolution. Studies of atmospheric... more
An exoplanet loses its atmosphere in the form of a tail  PHYS.ORG · 2 weeks
A new study led by scientists from the Instituto de Astrofísica de Canarias (IAC) reveals that the giant exoplanet WASP-69b carries a comet-like tail made up... more
What Is Solar Mass?  SPACE.COM · 2 weeks
How would you measure the masses of objects as big as stars, galaxies and black holes? With solar mass. And you can thank Sir Isaac Newton for that. more
LIGO supercomputer upgrade will speed up groundbreaking astrophysics research  PHYS.ORG · 2 weeks
In 2016, an international team of scientists found definitive evidence—tiny ripples in space known as gravitational waves—to support one of the last remaining untested predictions of Einstein's theory of general... more
Astronomers Think They've Figured Out the Raging Swirls of Gas Around Supermassive Black Holes  LIVE SCIENCE · 2 weeks
Churning, hellish, hot-cold gas storms swirl around our universe's supermassive black holes. But the scientists involved in discovering them would... more
Catalog of cosmic cataclysms helps establish gravitational wave astronomy  nanowerk · 2 weeks
The records of cataclysmic cosmic events, including four black hole observations disclosed for the first time, have been collected into a catalog. Production of the catalog suggests that gravitational wave... more
'Oumuamua Stays Quiet: Another SETI Search of Interstellar Visitor Comes Up Empty  SPACE.COM · 2 weeks
A search for radio signals coming from 'Oumuamua, the mysterious visitor from afar that zoomed through the inner solar system last fall, came up... more
LIGO and Virgo Announce Four New Detections  ASTRO WATCH · 2 weeks
On Saturday, December 1, scientists attending the Gravitational Wave Physics and Astronomy Workshop in College Park, Maryland, presented new results from the... more
Brief reflections from a plasma mirror  PHYS.ORG · 2 weeks
When a dense sheet of electrons is accelerated to almost the speed of light, it acts as a reflective surface. Such a 'plasma mirror' can be used to manipulate light. Now an international team of physicists... more
Brief reflections from a plasma mirror  nanowerk · 2 weeks
When a dense sheet of electrons is accelerated to almost the speed of light, it acts as a reflective surface. Such a 'plasma mirror' can be used to manipulate light. more
Galileo satellites prove Einstein's Relativity Theory to highest accuracy yet  PHYS.ORG · 2 weeks
Europe's Galileo satellite navigation system – already serving users globally – has now provided a historic service to the physics community worldwide, enabling the most accurate measurement ever... more
Astronomers find far-flung wind from a black hole in the universe’s first light  SCIENCE-NEWS · 2 weeks
The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up... more
Physicists Detect Four New Gravitational Waves  SCI-NEWS.COM · 2 weeks
The twin LIGO (Laser Interferometer Gravitational-Wave Observatory) detectors, located in Livingston, Louisiana, and Hanford, Washington, and the Virgo detector located near Pisa, Italy, have... more
New detections of gravitational waves brings the number to 11 – so far  PHYS.ORG · 2 weeks
Four new detections of gravitational waves have been announced at the Gravitational Waves Physics and Astronomy Workshop, at the University of Maryland... more
4 Gravitational-Wave Detections Include Largest, Most Distant Black Hole Crash Ever  SPACE.COM · 2 weeks
Four new gravitational-wave observations mean scientists can start to make broader discoveries about the world around us and the black holes that fill it. more
How some sap-sucking insects fling their pee  SCIENCE-NEWS · 2 weeks
Sharpshooters hurl their pee with structure called a stylus, which sends droplets flying at 20 times the acceleration of Earth’s gravity. more
LIGO and Virgo announce four new gravitational-wave detections  SCIENCE DAILY · 2 weeks
The LIGO and Virgo collaborations have now confidently detected gravitational waves from a total of 10 stellar-mass binary black hole mergers and one merger of neutron stars, which are the dense, spherical... more
Scientists detect biggest known black-hole collision  PHYS.ORG · 2 weeks
An international team of scientists have detected ripples in space and time, known as gravitational waves, from the biggest known black-hole collision that formed a new black hole about 80 times larger than the Sun –... more
How do stellar binaries form?  PHYS.ORG · 2 weeks
Most stars with the mass of the sun or larger have one or more companion stars, but when and how these multiple stars form is one of the controversial central problems of astronomy. Gravity contracts the natal gas... more
Black Hole 'Donuts' are Actually 'Fountains'  ASTRO WATCH · 2 weeks
Based on computer simulations and new observations from the Atacama Large Millimeter/submillimeter Array (ALMA), researchers have found that the rings of gas surrounding active... more
Black hole 'donuts' are actually 'fountains'  SCIENCE DAILY · 3 weeks
Based on computer simulations and new observations from the Atacama Large Millimeter/submillimeter Array (ALMA), researchers have found that the rings of gas surrounding active supermassive black holes are not simple donut shapes. Instead, gas expelled from... more
Black hole 'donuts' are actually 'fountains'  nanowerk · 3 weeks
Based on computer simulations and new observations, researchers have found that the rings of gas surrounding active supermassive black holes are not simple donut shapes. Instead, gas expelled from the center interacts with infalling gas to... more
Black hole 'donuts' are actually 'fountains'  PHYS.ORG · 3 weeks
Based on computer simulations and new observations from the Atacama Large Millimeter/submillimeter Array (ALMA), researchers have found that the rings of gas surrounding active supermassive black holes are not simple donut shapes. Instead, gas expelled from... more
Gas clouds whirling around black hole form heart of distant astronomical object  SCIENCE DAILY · 3 weeks
Astronomers have concluded that gas clouds rapidly moving around a central black hole form the very heart of the 3C 327 quasar, confirming earlier... more
Atomic clocks now keep time well enough to improve models of Earth  SCIENCE DAILY · 3 weeks
Experimental atomic clocks have now achieved three new performance records, now ticking precisely enough to not only improve timekeeping and navigation, but also detect... more
Multidimensional risk in a nonstationary climate: Joint probability of increasingly severe warm and dry conditions  Science Magazine · 3 weeks
We present a framework for quantifying the spatial and temporal co-occurrence of climate stresses in a nonstationary climate.... more
NIST atomic clocks now keep time well enough to improve models of Earth  PHYS.ORG · 3 weeks
Experimental atomic clocks at the National Institute of Standards and Technology (NIST) have achieved three new performance records, now ticking precisely enough... more
The Cygnus Loop  PHYS.ORG · 3 weeks
The Cygnus Loop (also known as the Veil Nebula) is a supernova remnant, the detritus of the explosive death of a massive star about ten to twenty thousand years ago. Detailed modeling of its spectacular filamentary shape suggests that the... more
A Monster Black Hole Powers This Cosmic Fountain a Billion Light-Years Away (Video)  SPACE.COM · 3 weeks
A monster black hole acts like a mechanical pump in a cosmic fountain, and researchers speculate that this phenomenon may be common. more
'Solar Gravity Lens' Could Bring Exoplanets into Sharp Focus  SPACE.COM · 3 weeks
An innovative deep-space concept that relies on a solar gravity lens to enable enhanced viewing of exoplanets is under study by researchers at NASA’s Jet Propulsion Laboratory and The Aerospace... more
Phoning ET: Contest Asks Students to Craft Message to Aliens  SPACE.COM · 4 weeks
More than four decades after humanity's first real attempt to reach out to intelligent aliens, a new generation will craft an interstellar missive of its own. more
New Trailer for 'The Lego Movie 2' Promises Out-of-This-World Adventure!  SPACE.COM · 4 weeks
A new trailer for "The Lego Movie 2" launches into intergalactic space on what promises to be an epic adventure in brick form. more
Will we ever see a black hole?  PHYS.ORG · 4 weeks
In the shadowy regions of black holes two fundamental theories describing our world collide. Can these problems be resolved and do black holes really exist? First, we may have to see one and scientists... more
Discovery of Hotspots Circling Milky Way Black Hole Has Astronomers Excited  SPACE.COM · 4 weeks
Last week, astronomers announced the discovery of "hotspots" circling the drain of a massive black hole, proving a decade-old theory that a behemoth lies at the... more
Odd bodies, rapid spins keep cosmic rings close  SCIENCE DAILY · 4 weeks
Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea -- small objects deep in our solar system -- can be credited for forming and maintaining... more
Odd Bodies, Rapid Spins Keep Cosmic Rings Close  ASTRO WATCH · 4 weeks
Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea – small objects deep... more
New Arecibo Observatory Message Challenge Announced  ASTRO WATCH · 4 weeks
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was... more
Odd bodies, rapid spins keep cosmic rings close  PHYS.ORG · 4 weeks
Forget those shepherding moons. Gravity and the odd shapes of asteroid Chariklo and dwarf planet Haumea—small objects deep in our solar system—can be credited for forming and maintaining their own rings, according... more
What happens to the brain in zero gravity?  PHYS.ORG · 4 weeks
NASA has made a commitment to send humans to Mars by the 2030s. This is an ambitious goal when you think that a typical round trip will anywhere between three and six... more
New Arecibo Observatory message challenge announced  PHYS.ORG · 4 weeks
In 1974, the Arecibo Observatory made history by beaming the most powerful radio message into deep space ever made. The famous Arecibo Message was designed by the AO 74's staff, led by Frank Drake, and with... more
Theory of Everything
NASA research reveals Saturn is losing its rings at 'worst-case-scenario' rate
PHYS.ORG
Exactly how we would send our first laser-powered probe to Alpha Centauri
PHYS.ORG
Actual image of a white dwarf feeding on material from a larger red giant 650 light years from Earth
PHYS.ORG
Innovation increases observable volume of the universe by a factor of seven
PHYS.ORG
Time travel is possible – but only if you have an object with infinite mass
PHYS.ORG
It's Official! NASA's Famed Voyager 2 Spacecraft Reaches Interstellar Space
SPACE.COM
NASA's Voyager 2 probe enters interstellar space
PHYS.ORG
Galileo satellites prove Einstein's Relativity Theory to highest accuracy yet
ESA
How some sap-sucking insects fling their pee
SCIENCE-NEWS
Scientists detect biggest known black-hole collision
PHYS.ORG
The power of the wobble: Finding exoplanets in the shifting of starlight
PHYS.ORG
What happens to the brain in zero gravity?
PHYS.ORG
Fresh