Others took notice and named his theory "big bang." LeMaitre's ideas opened more questions, many of which forced physics and astronomy together: What was that primordial atom like? Why would it ...

As it happens, a similarly abrupt (though far less baseball bat-happy) exit befalls on Yeun's "The Big Bang Theory" character Sebastian, who appears briefly in season 3, episode 22, "The Staircase ...

American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg ...