Credit: MARK GARLICK via Astronomers have watched a massive star vanish in the night sky, only to be replaced by a black ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Chandra X-ray Observatory observations of the Perseus galaxy cluster black hole and M87's jet have been turned into sound by ...

Supermassive black holes (SMBHs) can have billions of solar masses, and observational evidence suggests that all large ...

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

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 ...

Stars have a life and death-cycle. Those that are about eight times more massive than the Sun explode as supernovae at the ...

The outward force from its fusion can no longer counteract the star's powerful gravity, and the star collapses in on itself.

The spiral arms of nearby galaxy Messier 81 is captured by NASA's Spitzer Space Telescope. This galaxy is easily visible ...

This is not carelessness, but the possible discovery of a rare stellar event in the Andromeda galaxy. A red supergiant star ...