Black hole light echoes are an extreme form of gravitational lensing. To measure the masses and spins of black holes, ...

Massive stars about eight times more massive than the sun explode as supernovae at the end of their lives. The explosions, ...

A team of U.S. astronomers discovered a supermassive black hole that is consuming matter at a phenomenal rate—40x the ...

As we gaze into the universe, we've discovered most galaxies have a supermassive black hole lurking near the center.

Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision ...

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

The kilonova briefly mimicked the conditions immediately following the Big Bang, and allowed scientists to confirm the source ...

Astronomers have discovered a supermassive black hole at the center of a galaxy just 1.5 billion years after the Big Bang that is consuming matter at a phenomenal rate -- over 40 times the theoretical ...

Scientists have found the "hungriest" black hole that is "feasting" on matter faster than experts previously thought possible ...

Astronomers continue to stress the value of X-ray science as NASA's flagship Chandra X-ray telescope remains on the chopping ...

Astronomers have witnessed a rare cosmic event, where a massive star in the Andromeda galaxy (M31) has transformed directly into a black hole, without the usual supernova explosion. The phenomenon ...

Using data from NASA’s JWST and Chandra X-ray Observatory, a team of U.S. National Science Foundation NOIRLab astronomers ...