A new study by physicists predicts that the universe could one day collapse in a reverse Big Bang, offering fresh insight into how it might all end.

The early universe was already warm before reionization, revealing that the first stars did not flicker on in an icy cosmos.

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

The reasonable mind must hold that our universe has one beginning,' reads the thesis of the book, 'God, the Science, the ...

We don’t really know much about our universe, but scientists are constantly trying to unlock its secrets. Here’s what we do ...

Some habitable worlds orbiting dead stars could be kept alive for aeons thanks to a quirk of Einstein’s theory of gravity ...