That includes stars being shredded as they pass too close to a black hole, intense emissions ... More than a million exploding stars flare into visibility and then slowly fade away.

Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...

But what if some of these catastrophic events were caused by something even more dramatic—exploding stars? However, a new study, now, suggests that at least two mass extinctions—one 372 ...

Some become neutron stars while very massive ones become black holes. An exploding supernova throws hot gas into space. Depending on the mass at the start of its life, a supernova will leave ...