A giant star that is still being consumed by a supermassive black hole may have caused the largest flare of its kind ever seen, astronomers say.

The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...

Interstellar comet 3I/ATLAS has changed color for the third time as it peeks out from behind the sun. The biggest, brightest ...

NASA Goddard Space Flight Center runs down the best-known Black Holes in the Milky Way galaxy and the Large Magellanic Cloud.

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

A peculiar object discovered by the James Webb Space Telescope just 700 million years after the Big Bang could reveal the ...

Images of black holes are more than just fascinating visuals: they could serve as a “testing ground” for alternative theories of gravity in the ...

Researchers are using black hole “shadow” images to test whether Einstein’s relativity remains unshakable. With ...

At the heart of the Milky Way, just 27,000 light-years from Earth, there is a supermassive black hole with a mass of more ...

Scientists have discovered a supermassive black hole flare, the largest seen in the universe, and it may be making a meal of ...

The flare came from a supermassive black hole that’s 10 billion light years away, making the flash the most distant one ...