The actress, best known for her role on 'The Big Bang Theory,' is opening up about the recent cancellation of her show.

Supermassive black holes that seem too large to exist in the early universe may have grown from primordial black holes formed ...

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

Smashing atomic nuclei together at mind-bending speeds recreates the fiery conditions of the early universe and scientists ...

Raj didn’t end up with a partner in The Big Bang Theory - but he did end up with peace of mind, self-respect, and a hopeful future. And hey, that might just be the most grown-up happy ending of them ...

Here are five intriguing behind-the-scenes facts about The Big Bang Theory. It's hard to imagine anyone else playing Sheldon ...

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 ...

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.

The CBS sitcom followed a group of best friends and roommates and also starred Kaley Cuoco as Penny, Jim Parsons as Sheldon ...