A team led by CU Boulder researchers has caught a supermassive black hole in a distant galaxy snacking on gas and then "burping"—not once, but twice.
Astronomy
Jan 11, 2018
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2648
Scientists have unlocked one of the biggest mysteries of quasars—the brightest, most powerful objects in the universe—by discovering that they are ignited by galaxies colliding.
Astronomy
Apr 25, 2023
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2089
Astronomers have produced the most comprehensive image of radio emission from the nearest actively feeding supermassive black hole to Earth.
Astronomy
Dec 22, 2021
1
757
Astronomers at The University of Texas at Austin and Harvard University have put a basic principle of black holes to the test, showing that matter completely vanishes when pulled in. Their results constitute another successful ...
Astronomy
May 30, 2017
30
2214
Astronomers have detected a stealthy black hole from its effects on an interstellar gas cloud. This intermediate-mass black hole is one of over 100 million quiet black holes expected to be lurking in the galaxy. These results ...
Astronomy
Mar 1, 2019
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494
The supermassive black hole at the center of our Milky Way galaxy, Sagittarius A*, is by far the closest such object to us, about 27,000 light-years away. Although it is not nearly so active or luminous as other galactic ...
Astronomy
Jul 12, 2021
100
725
New images from NASA's James Webb Space Telescope (JWST) reveal for the first time galaxies with stellar bars—elongated features of stars stretching from the centers of galaxies into their outer disks—at a time when the ...
Astronomy
Jan 5, 2023
10
1040
The first confirmed heartbeat of a supermassive black hole is still going strong more than ten years after first being observed.
Astronomy
Jun 9, 2020
17
3110
Three years ago, the first ever image of a black hole stunned the world. A black pit of nothingness enclosed by a fiery ring of light. That iconic image of the black hole at the center of galaxy Messier 87 came into focus ...
Astronomy
May 9, 2022
3
1835
There's something a little off about our theory of the universe. Almost everything fits, but there's a fly in the cosmic ointment, a particle of sand in the infinite sandwich. Some scientists think the culprit might be gravity—and ...
Astronomy
Dec 28, 2020
107
1917
