Mayim Bialik tells Neil DeGrasse Tyson about transitioning from acting to neuroscience—then playing a scientist on The Big Bang Theory.

He deduced that if Einstein's theory were true (and there had been good evidence for it since 1919), it meant the universe must be expanding. In 1927, the year he got his PhD from MIT, LeMaitre ...

Scientists have long been interested in the early history of the universe. Famed physicist Stephen Hawking helped popularize that the Big Bang was a singular point in time — but that's not how many ...

An exploration of the Big Bang theory and how people interpret its meaning, combining scientific understanding with philosophical reflection. Watch: Man whose wife died in Iran strike confronts Vance ...