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+22 +3
Harvard’s top astronomer says our solar system may be teeming with alien technology
Avi Loeb spent his career searching for evidence of alien life. When he found it, the scientific community refused to believe him.
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+18 +6
A Theory By North Carolina State University Professors Rules Out Einstein’s Theory of General Relativity
Larry Silverberg and his research partner Jeffrey Eischen From North Carolina State University have proposed a surprising new model of physics that could entirely rewrite the way we have studied physics so far.
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+16 +2
Primordial black holes and the search for dark matter from the multiverse
Astronomers are studying black holes that could have formed in the early universe, before stars and galaxies were born. Such primordial black holes (PBHs) could account for all or part of dark matter, be responsible for some of the observed gravitational waves signals, and seed supermassive black holes found in the center of our Galaxy and other galaxies
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+3 +1
An earlier universe existed before the Big Bang, and can still be observed today, says Nobel winner
An earlier universe existed before the Big Bang and can still be observed today, Sir Roger Penrose has said, as he received the Nobel Prize for Physics. Sir Roger, 89, who won the honour for his seminal work proving that black holes exist, said he had found six ‘warm’ points in the sky (dubbed ‘Hawking
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+14 +1
The Hubble Telescope caught a supernova outshining every star in its galaxy
The Hubble Space Telescope got a rare look at one of the most awesome light shows in the universe, catching a supernova that outshone every star in its galaxy.
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+4 +1
Physicists Argue That Black Holes From the Big Bang Could Be the Dark Matter
It was an old idea of Stephen Hawking’s: Unseen “primordial” black holes might be the hidden dark matter. A new series of studies has shown how the theory can work.
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+4 +1
'Stupendously large' black holes could grow to truly monstrous sizes
There are monster black holes, and then there are SLABS.
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+2 +1
Physicists Verify Half-Century-Old Theory about Rotating Black Holes
Physicists from the University of Glasgow and the University of Arizona have experimentally verified a half-century-old theory that began as speculation about how an advanced alien civilization could use a rotating black hole to generate energy.
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+19 +3
Continuous infrared winds discovered during the eruption of a stellar mass black hole
A team of researchers from the Instituto de Astrofísica de Canarias (IAC) has, for the first time, detected constant infrared emission from winds produced during the eruption of a black hole in an X-ray binary. Until now, these flows of material had been detected only in other wavelength ranges, such as X-rays or within the visible spectrum, depending on the phase in which the black hole consumes its surrounding material.
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+19 +4
We Have Ploonets. We Have Moonmoons. Now Hold Onto Your Hats For... Blanets
It's easy to think of black holes as voracious destruction machines, slurping up everything in their immediate vicinity. But that's not always the case. There's a safe zone around each supermassive black hole in which thousands of planets could be orbiting.
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+22 +4
Astrophysicists unveil biggest-ever 3D map of Universe
Astrophysicists on Monday published the largest-ever 3D map of the Universe, the result of an analysis of more than four million galaxies and ultra-bright, energy-packed quasars. The efforts of hundreds of scientists from around 30 institutions worldwide have yielded a "complete story of the expansion
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+21 +2
Scientists propose plan to determine if Planet Nine is a primordial black hole
Scientists at Harvard University and the Black Hole Initiative (BHI) have developed a new method to find black holes in the outer solar system, and along with it, determine once-and-for-all the true nature of the hypothesized Planet Nine. The paper, accepted to The Astrophysical Journal Letters, highlights the ability of the future Legacy Survey of Space and Time (LSST) mission to observe accretion flares, the presence of which could prove or rule out Planet Nine as a black hole.
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+3 +1
Mysterious spinning neutron star detected in the Milky Way proves to be an extremely rare discovery
On March 12th 2020 a space telescope called Swift detected a burst of radiation from halfway across the Milky Way. Within a week, the newly discovered X-ray source, named Swift J1818.0–1607, was found to be a magnetar, a rare type of slowly rotating neutron star with one of the most powerful magnetic fields in the universe.
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+9 +1
Can energy be sucked out of a black hole?
A rotating black hole is such an extreme force of nature that it drags surrounding time and space around with it. So it is only natural to ask whether black holes could be used as some sort of energy source. In 1969, mathematical physicist Roger Penrose proposed a method to do just this, now known as the "Penrose Process."
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+9 +2
Fastest-growing black hole in the universe eats the equivalent of one sun per day
Astronomers have come across a monstrously large black hole with a gargantuan appetite. Each passing day, the insatiable void known as J2157 consumes gas and dust equivalent in mass to the sun, making it the fastest-growing black hole in the universe. The sheer scale of J2157 is almost unfathomable, but we can try pinning some numbers on it nevertheless.
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+3 +1
Hungriest of black holes among the most massive in the universe, Australian National University research
We now know just how massive the fastest-growing black hole in the universe actually is, as well as how much it eats, thanks to new research led by the Australian National University (ANU). It is 34 billion times the mass of our Sun and gorges on nearly the equivalent of one Sun every day, according to Dr. Christopher Onken and his colleagues.
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+17 +4
Colliding black holes may have created a surprising flare of light
In spite of their dark reputations, two black holes may have set off a cosmic light show. Subtle gravitational rumbles from a collision of two black holes may have been accompanied by a flare of light about a month later, physicists report June 25 in Physical Review Letters. It’s a surprising conclusion given black holes’ propensity to swallow up light and matter. “The normal expectation has been they just merge and all you would detect is gravitational waves,” says astrophysicist Matthew Graham of Caltech.
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+13 +3
The Closest Black Hole Is 1,000 Light-Years Away
An unseen object—probably a black hole—orbits with two normal stars in our cosmic neighborhood.
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+15 +2
A huge black hole eats a huger black hole's dinner then explodes with the light of a trillion suns
3.5 billion light years from Earth — a significant chunk of the way across the visible Universe — lies a monster. It's called OJ287, and it's an active galaxy, one with a tremendous amount of energy blasting out of its nucleus. It's classified as a blazar, one of the most luminous objects in the Universe, with energy pouring out of it across the electromagnetic spectrum, from radio waves all the way up to high-energy gamma rays.
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+19 +1
This Black-Hole Collision Just Made Gravitational Waves Even More Interesting
An unprecedented signal from unevenly sized objects gives astronomers rare insight into how black holes spin
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