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Supermassive black hole is pumping a galaxy-scale fountain

Most galaxies lie in clusters containing from a few to thousands of other galaxies. Our Milky Way, for example, belongs to the Local Group cluster...
Astronomers get best view yet of supermassive black holes in colliding galaxies

Astronomers get best view yet of supermassive black holes in colliding galaxies

Astronomers capture merging galaxies, slowly moving on a collision course with each other Two galaxies, drawn together by the force of gravity, are merging into...

Astronomers find pairs of black holes at the centers of merging galaxies

For the first time, a team of astronomers has observed several pairs of galaxies in the final stages of merging together into single, larger...

Supermassive black holes: we’ve spotted signs of mergers that may finally help us prove...

Observations of nature tend to throw up unexpected results and new mysteries – whether you’re investigating the rainforest or outer space. When radio astronomy took...

What does a black hole look like?

At the center of our galaxy lies a swirling, energy-spewing supermassive black hole called Sagittarius A* or Sgr A*, for short. For billions of years,...

How to weigh a black hole using NASA’s Webb Space Telescope

At first glance, the galaxy NGC 4151 looks like an average spiral. Examine its center more closely, though, and you can spot a bright smudge...
Black holes cannot be universe's missing dark matter

Black holes cannot be universe’s missing dark matter

Black holes can make up no more than 40 percent of dark matter For one brief shining moment after the 2015 detection of gravitational waves...

Matter falling into a black hole at 30 percent of the speed of light

A UK team of astronomers report the first detection of matter falling into a black hole at 30% of the speed of light, located...

How to find a massive black hole formed at the birth of a galaxy

Black holes form when stars die, allowing the matter in them to collapse into an extremely dense object from which not even light can...

Scientists discover a ring of black holes in a galaxy 300 million light years...

Astronomers have used NASA's Chandra X-ray Observatory to discover a ring of black holes or neutron stars in a galaxy 300 million light years...