Relativity
Free-Floating Planet-Mass Objects are Common in Galaxies  SCI-NEWS.COM · 1 day
Using a technique called quasar microlensing, a team of astronomers at the University of Oklahoma has detected populations of free-floating planet-mass objects... more
Hubble Team Releases New Photos of Interstellar Comet 2I/Borisov  SCI-NEWS.COM · 2 days
Astronomers using the NASA/ESA Hubble Space Telescope have captured two new images of 2I/Borisov, the first known interstellar... more
Interstellar comet 2I/Borisov swings past sun  PHYS.ORG · 3 days
When astronomers see something in the universe that at first glance seems like one-of-a-kind, it's bound to stir up a lot of excitement and attention. Enter comet 2I/Borisov. This mysterious visitor from the depths of space... more
First identified comet to visit our solar system from another star  SCIENCE DAILY · 3 days
Comet 2I/Borisov is a mysterious visitor from the depths of space -- the first identified comet to arrive here from another star. Hubble images capture the... more
Interstellar comet 2I/Borisov swings past sun  nanowerk · 3 days
This mysterious visitor from the depths of space is the first identified comet to arrive here from another star. We don't know from where or when the comet started heading toward our Sun, but it won't... more
New technology improves gravitational wave detectors by cutting quantum noise  PHYS.ORG · 3 days
Physicists have successfully developed a new instrument that significantly reduces quantum-level noise that has thus far limited experiments' ability to spot gravitational waves. Collisions between massive black holes... more
New Instrument Extends LIGO’s Reach  ASTRO WATCH · 3 days
Just a year ago, the National Science Foundation-funded Laser Interferometer Gravitational-wave Observatory, or LIGO, was picking up whispers of gravitational waves every month or so. Now,... more
Study unveils new nonlinear dynamics of spinning bosonic stars  PHYS.ORG · 3 days
Although researchers have been studying dark matter and trying to observe it, its nature is a longstanding scientific mystery. The standard cosmological model suggests that approximately one-quarter of cosmological energy... more
Best of Last Year: The top Phys.org articles of 2019  PHYS.ORG · 3 days
It was a great year for research of all kinds as a team of astronomers from around the globe delivered the first photo of a black hole. Over... more
ALMA spots most distant dusty galaxy hidden in plain sight  SCIENCE DAILY · 4 days
Astronomers have spotted the light of a massive galaxy seen only 970 million years after the Big Bang. This galaxy, called MAMBO-9, is the most distant dusty star-forming... more
Astronomers spot most distant dusty galaxy hidden in plain sight  nanowerk · 4 days
Astronomers have spotted the light of a massive galaxy seen only 970 million years after the Big Bang. This galaxy, called MAMBO-9, is the most distant dusty star-forming... more
ALMA spots most distant dusty galaxy hidden in plain sight  PHYS.ORG · 4 days
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted the light of a massive galaxy seen only 970 million years after the Big Bang. This galaxy, called... more
A new way to measure cosmic black holes  PHYS.ORG · 4 days
Supermassive black holes are the largest black holes, with masses that can exceed a billion Suns. Just this spring, the first-ever image of the supermassive black hole at the center of the... more
X-ray satellite XMM-Newton celebrates 20 years in space  PHYS.ORG · 4 days
Two decades ago, on Dec. 10, 1999, an Ariane 5 rocket climbed into the morning sky from Kourou, French Guiana. It carried into orbit the X-ray Multi-Mirror Mission (XMM-Newton), the largest scientific... more
No 'clouded' judgments: Geostationary satellite an alternative to monitor land surfaces  PHYS.ORG · 5 days
Satellite remote sensing has widely been used to monitor and characterize the spatial and temporal changes of the Earth's vegetative cover. Satellites used in these analyses... more
How did supermassive black holes grow so fast?  nanowerk · 5 days
Black holes in the early universe pose a bit of a problem. Based on observations from telescopes on Earth and in space, we know that some black holes grew to be a... more
XMM-Newton’s 20th anniversary in space  ESA · 6 days
Image: On 10 December, ESA’s XMM-Newton X-ray space observatory is celebrating its 20th launch anniversary. In those two decades, the observatory has supplied a constant stream... more
How did supermassive black holes grow so fast?  PHYS.ORG · 6 days
Black holes in the early universe pose a bit of a problem. Based on observations from telescopes on Earth and in space, we know that some black holes grew to be a... more
Printing of wirelessly rechargeable solid-state supercapacitors for soft, smart contact lenses with continuous operations  Science Magazine · 1 week
Recent advances in smart contact lenses are essential to the realization of medical applications and vision imaging for augmented reality... more
Life of a foam  PHYS.ORG · 1 week
A fine coffee froth does not last forever. The bubbles that make the milk light and creamy are eventually torn apart by the pull of gravity. But there is a place where foams have a more stable life—in the weightless... more
Life of a foam  ESA · 1 week
A fine coffee froth does not last forever. The bubbles that make the milk light and creamy are eventually torn apart by the pull of gravity. But there... more
A New Theory for How Black Holes and Neutron Stars Shine Bright  ASTRO WATCH · 1 week
For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars—the most... more
Supermassive Black Hole Triggers Star Formation in Multiple Galaxies  SCI-NEWS.COM · 1 week
Enormous black holes usually affect their surroundings through the so-called ‘negative feedback’ — in other words, suppressing the... more
New instrument extends LIGO's reach  PHYS.ORG · 1 week
Just a year ago, the National Science Foundation-funded Laser Interferometer Gravitational-wave Observatory, or LIGO, was picking up whispers of gravitational waves every month or so. Now, a new addition to the system is enabling the instruments to detect... more
Scientists have found out why photons from other galaxies do not reach Earth  PHYS.ORG · 2 weeks
An international group of scientists, including Andrey Savelyev, associate professor of the Institute of Physical and Mathematical Sciences and Information Technologies of... more
Mars: We may have solved the mystery of how its landslides form  PHYS.ORG · 2 weeks
Some landslides on Mars seem to defy an important law of physics. "Long, runout landslides" are formed by huge volumes of rock and soil... more
Satellite Broken? Smart Satellites to the Rescue  ASTRO WATCH · 2 weeks
When satellites break, which is surprisingly often, there isn't much you can do about them. They become expensive and dangerous flotsam, orbiting... more
Black hole or newborn stars? SOFIA finds galactic puzzle  PHYS.ORG · 2 weeks
Universities Space Research Association (USRA) today announced that scientists on NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) found a strange black hole that is changing its galactic surroundings in a... more
All-optical diffractive neural networks process broadband light  PHYS.ORG · 2 weeks
Diffractive deep neural network is an optical machine learning framework that blends deep learning with optical diffraction and light-matter interaction to engineer diffractive surfaces that collectively perform optical computation at the speed of light.... more
Stellar Black Hole in Our Galaxy Is So Massive It Shouldn't Exist  LIVE SCIENCE · 2 weeks
A gigantic black hole 15,000 light-years from our planet is twice as massive as what researchers thought was possible in our own galaxy. more
Astronomers Find ‘Impossible’ Stellar Black Hole in Milky Way  SCI-NEWS.COM · 2 weeks
An international team of astronomers has discovered an exceptionally massive black hole of stellar origin with a mass... more
A new theory for how black holes and neutron stars shine bright  SCIENCE DAILY · 2 weeks
Astrophysicists employed massive super-computer simulations to calculate the mechanisms that accelerate charged particles in extreme environments. They concluded their energization is powered by the... more
A new theory for how black holes and neutron stars shine bright  nanowerk · 3 weeks
Astrophysicists suggest radiation that lights the densest objects in our universe is powered by the interplay of turbulence and reconnection of super-strong magnetic fields. more
Novel out-of-this-world approach to cancer research  NEWS MEDICAL · 3 weeks
Australia's first space research mission to the International Space Station will attempt to establish how some of the most aggressive cancer cells behave in a zero-gravity environment. more
New implant can probe brain physiology with unparalleled spatial and temporal resolution  NEWS MEDICAL · 3 weeks
A team of neuroscientists and electrical engineers from Germany and Switzerland developed a highly sensitive implant that enables to probe brain physiology with unparalleled... more
Scientists discover unpredicted stellar black hole  PHYS.ORG · 3 weeks
An international team headed by Professor LIU Jifeng of the National Astronomical Observatory of China of the Chinese Academy of Sciences (NAOC) spotted a stellar black hole with a mass 70 times greater than the sun.... more
A new theory for how black holes and neutron stars shine bright  PHYS.ORG · 3 weeks
For decades, scientists have speculated about the origin of the electromagnetic radiation emitted from celestial regions that host black holes and neutron stars—the most... more
The Simultaneous Merging of Giant Galaxies  ASTRO WATCH · 3 weeks
An international research team led by scientists from Göttingen and Potsdam proved for the first time that the galaxy NGC 6240 contains three supermassive... more
A fifth fundamental force could really exist, but we haven't found it yet  PHYS.ORG · 3 weeks
The universe is governed by four fundamental forces: gravity, electromagnetism and the strong and weak nuclear forces. These forces drive the motion... more
Scientists develop first implantable magnet resonance detector  PHYS.ORG · 3 weeks
A team of neuroscientists and electrical engineers from Germany and Switzerland developed a highly sensitive implant that enables to probe brain physiology with unparalleled spatial and temporal resolution. They introduce an ultra-fine needle with... more
Astronomers Capture New Image of Interstellar Comet 2I/Borisov  SCI-NEWS.COM · 3 weeks
A group of Yale University astronomers has captured a stunning new image of 2I/Borisov, the first known interstellar comet to... more
Study examines how our brain fuses with musical rhythm  NEWS MEDICAL · 3 weeks
When listening to a song or watching a dance, humans tend to follow the rhythm of the music. This is because one fundamental aspect of music is its rhythm, the... more
Black hole nurtures baby stars a million light years away  PHYS.ORG · 3 weeks
Black holes are famous for ripping objects apart, including stars. But now, astronomers have uncovered a black hole that may have sparked the births of stars over a... more
European researchers on weightless parabolic flight  ESA · 3 weeks
What do you get if you put 40 researchers, 12 technologically advanced experiments in an aircraft and fly at maximum thrust in repeated 50°... more
Floods in northern Italy  ESA · 3 weeks
Image: Torrential downpours have battered many parts of Italy this month, with extreme flooding wreaking havoc across northern Italy. The province of Alessandria is said to be one... more
Bizarre worlds orbiting a black hole?  SCIENCE DAILY · 3 weeks
Theoreticians in two different fields defied the common knowledge that planets orbit stars like the Sun. They proposed the possibility of thousands of planets around a supermassive black hole. more
Planets around a black hole? Calculations show possibility of bizarre worlds  PHYS.ORG · 3 weeks
Theoreticians in two fields defied the received wisdom that planets only orbit stars like the sun. They proposed the possibility of thousands of planets around a... more
Planets around a black hole? Calculations show possibility of bizarre worlds  nanowerk · 3 weeks
Theoreticians in two different fields defied the common knowledge that planets orbit stars like the Sun. They proposed the possibility of thousands of planets around a... more
The simultaneous merging of giant galaxies  SCIENCE DAILY · 3 weeks
Scientists proved for the first time that the galaxy NGC 6240 contains three supermassive black holes. The unique observations show the black holes close to each other in the core of the galaxy. The study points... more
Chemistry in the turbulent interstellar medium  PHYS.ORG · 3 weeks
Over 200 molecules have been discovered in space, some (like Buckminsterfullerene) very complex with carbon atoms. Besides being intrinsically interesting, these molecules radiate away heat, helping giant clouds of interstellar material cool and contract to form... more
Astronomers Find Three Supermassive Black Holes in NGC 6240  SCI-NEWS.COM · 3 weeks
NGC 6240, a well-studied nearby galaxy system in the process of merging, contains three supermassive black holes at... more
Nearly Extreme Black Holes Which Attempt to Regrow Hair Become Bald Again  ASTRO WATCH · 3 weeks
The black holes of Einstein's theory of relativity can be completely described by just three parameters: their mass, spin angular momentum, and electric charge.... more
The simultaneous merging of giant galaxies  PHYS.ORG · 3 weeks
An international research team led by scientists from Göttingen and Potsdam proved for the first time that the galaxy NGC 6240 contains three supermassive black holes. The unique observations, published in the journal Astronomy & Astrophysics,... more
A speech envelope landmark for syllable encoding in human superior temporal gyrus  Science Magazine · 4 weeks
The most salient acoustic features in speech are the modulations in its intensity, captured by the amplitude envelope. Perceptually, the envelope is necessary for... more
Black Holes Grow Hair, Then Go Bald Again  LIVE SCIENCE · 4 weeks
New calculations suggest that some black holes can grow hair, but they can't keep it for long. Alas, they go bald again. more
The Large Synoptic Survey Telescope could find more of Earth's transient moons  PHYS.ORG · 4 weeks
It is a well-known astronomical convention that Earth has only one natural satellite, which is known (somewhat uncreatively) as "the moon." However, astronomers have... more
What If Space-Time Were 'Chunky'? It Would Forever Change the Nature of Reality.  LIVE SCIENCE · 4 weeks
An ambitious new fleet of spacecraft could reveal whether space-time is smooth or chunky, and in doing so the ultimate nature of... more
How LISA pathfinder detected dozens of 'comet crumbs'  SCIENCE DAILY · 4 weeks
Scientists leveraged LISA Pathfinder's record-setting sensitivity (designed to ripples in space-time produced by, among other things, merging black holes) for a different purpose much closer to home -- mapping microscopic dust shed... more
Blowtorch jets from a black hole drive starbirth  PHYS.ORG · 4 weeks
Supermassive black holes, weighing millions or even billions of times our Sun's mass, are still only a tiny fraction of the mass of the galaxies they inhabit. But in some cases, the... more
What's Inside a Black Hole?  LIVE SCIENCE · 4 weeks
You're about to take a dip into the inky blackness of a giant black hole and see what's on the other side of that enigmatic event horizon. What will you find inside? Read on, brave explorer. more
Mysteries Behind Interstellar Buckyballs Finally Answered  ASTRO WATCH · 4 weeks
Scientists have long been puzzled by the existence of so-called "buckyballs" - complex carbon molecules with a soccer-ball-like structure - throughout interstellar space. Now,... more
How LISA pathfinder detected dozens of 'comet crumbs'  PHYS.ORG · 4 weeks
LISA Pathfinder, a mission led by ESA (the European Space Agency) that included NASA contributions, successfully demonstrated technologies needed to build a future space-based gravitational wave observatory, a tool for detecting ripples... more
How to observe a 'black hole symphony' using gravitational wave astronomy  nanowerk · 4 weeks
New research by astrophysicists presents a compelling roadmap for capturing intermediate-mass black hole activity. more
How to observe a 'black hole symphony' using gravitational wave astronomy  PHYS.ORG · 4 weeks
Shrouded in mystery since their discovery, the phenomenon of black holes continues to be one of the most mind-boggling enigmas in our universe. more
Neptune’s Moons Naiad and Thalassa Perform ‘Dance of Avoidance’  SCI-NEWS.COM · 4 weeks
A new study, published in the journal Icarus, shows that Naiad and Thalassa, two innermost moons of Neptune,... more
Nearly extreme black holes which attempt to 'regrow hair' become bald again  nanowerk · 4 weeks
Black holes 'have no hair': no attributes that can be used to tell them apart. Extreme black holes can have an additional property, permanent... more
Nearly extreme black holes which attempt to regrow hair become bald again  PHYS.ORG · 4 weeks
Black holes 'have no hair': no attributes that can be used to tell them apart. Extreme black holes (spinning at maximally allowed rate) can... more
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