From 'Star Trek' actors like William Shatner to science experts like Stephen Hawking, The Big Bang Theory has been host to a wide array of guest stars, including Sara Gilbert, who played Leslie Winkle ...

Who, exactly, was Leslie Winkle (Sara Gilbert) on The Big Bang Theory, and why did she (and Gilbert) leave after season 3?

Actor Jim Parsons (“The Big Bang Theory”) is 52. Drummer Chad Butler of Switchfoot ... Guitarist James Iha of Smashing Pumpkins is 57. Actor Leslie Mann (“Knocked Up,” ″This Is 40″) is 53. Actor T.R.

The Big Bang Theory co-creator Chuck Lorre has shared how Kaley Cuoco's character was developed, saying it "took a while" to ...

"We did the very clichéd, in the beginning, goofy blonde who says foolish things," Lorre says of the character Penny.

The Big Bang Theory' has finally found their lead — and an official title — ahead fans await an official series order ...