Black Holes
Study captures six galaxies undergoing sudden, dramatic transitions  PHYS.ORG · 8 hours
Galaxies come in a wide variety of shapes, sizes and brightnesses, ranging from humdrum ordinary galaxies to luminous active galaxies. While an ordinary galaxy is visible mainly because of the light from... more
Six galaxies undergoing sudden, dramatic transitions  SCIENCE DAILY · 9 hours
Astronomers observed six mild-mannered LINER galaxies suddenly and surprisingly transforming into ravenous quasars -- home to the brightest of all active galactic nuclei. The team's observations could help demystify the nature of both LINERs and quasars... more
From primordial black holes new clues to dark matter  PHYS.ORG · 2 days
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
Giant Balloon-like Structures Discovered at Center of Milky Way  ASTRO WATCH · 5 days
An international team of astronomers, including Northwestern University's Farhad Yusef-Zadeh, has discovered one of the largest structures ever... more
Are Black Holes Made of Dark Energy?  ASTRO WATCH · 6 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
A Distant Black Hole Brightens Every 9 Hours, and No One Knows Why  LIVE SCIENCE · 6 days
Something's disrupting the distant black hole's accretion disk, but no one knows what it is. more
First 'overtones' heard in the ringing of a black hole  PHYS.ORG · 7 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 · 7 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 · 1 week
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 · 1 week
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 · 1 week
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 · 1 week
The enormous black hole at the center of our galaxy is having an unusually large meal of interstellar gas and dust, and... more
Scientists detect the ringing of a newborn black hole for the first time  PHYS.ORG · 1 week
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 · 1 week
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 · 1 week
A runaway star called PG 1610+062 was probably ejected from the Milky Way’s Carina-Sagittarius spiral arm at a... 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
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
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
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
Black Hole Holograms  ASTRO WATCH · 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 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
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
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
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First 'overtones' heard in the ringing of a black hole
PHYS.ORG
Black hole at the center of our galaxy appears to be getting hungrier
PHYS.ORG
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