Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

The biggest explosion seen in the universe has been found. This record-breaking, gargantuan eruption came from a black hole in a distant galaxy cluster hundreds of millions of light years away.

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of ...

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

There could be a 90 percent chance that in the next decade, astronomers will spot a deep space explosion that confirms several long-standing theories about black holes – and which releases a complete ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...