Astronomers have discovered extraordinarily powerful X-ray jets blasting from two supermassive black holes that are so ...

NASA's Chandra X-ray Observatory has captured a striking image of a distant quasar from the "cosmic noon," including a giant ...

New findings from the University of Bonn challenge the assumptions of the standard cosmological model. The faint "afterglow" ...

Crucially, this bounce occurs entirely within the framework of general relativity, which applies on large scales such as ...

The Big Bang Theory is not just one of the longest-running TV comedies in US television history—it’s a pop-culture phenomenon ...

If the Big Bang actually happened inside a black hole, it could neatly explain some of the universe's biggest mysteries.

Whether you’re a die-hard fan of The Big Bang Theory or a casual watcher of Young Sheldon, one thing is clear - Sheldon Cooper is one of the most unforgettable TV characters ever.

Chuck Lorre discussed how he feels 'out of my element' with the new Big Bang Theory spin-off series, Stuart Fails to Save the ...