The two physicists contested the Big Bang Theory, which posits that all matter and energy in the universe came into existence in one single instance about 13.8 billion years ago.

The Big Bang theory has been the standard explanation of the universe's origin for decades. But one group now claims everything we think about the birth of the cosmos might be wrong.

In keeping with the scientific concept that is its namesake, the universe of The Big Bang Theory keeps expanding. HBO Max has formally greenlit Stuart Fails to Save the Universe, a comedy that ...

Here — we think — are the 10 best cameos in The Big Bang Theory. Picked not just by celebrity status, but by how much they impacted the show, connected to the characters, and delighted fans.

Expect some big effects on “ Stuart Fails to Save the Universe,” the latest “The Big Bang Theory” series in development at HBO Max under Chuck Lorre, fellow “Big Bang” creator Bill ...