WASHINGTON — The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense object with gravity so ...

Powerful bright blue cosmic explosions called Luminous Fast Blue Optical Transients could be caused when a black hole or ...

In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory. Not in a supernova that would briefly outshine its entire galaxy. It just ...

Black holes are points in space that are so dense they create deep gravity sinks. Beyond a certain region, not even light can ...

According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here's how they plan to crack the case.

A team of astronomers led by the Flatiron Institute’s Kishalay De discovered that a star in the Andromeda Galaxy disappeared without going supernova, and instead collapsed directly into a black hole.

An illustration of a star that collapsed, forming a black hole without an explosive supernova event, where it's surrounded by a dust shell moving away from the unseen black hole at the center and gas ...