On a recent episode of Rachel Dratch's Woo Woo podcast, The Big Bang Theory's Kate Micucci recounted a chilling encounter with the spirit of a murdered artist at a Los Angeles open house.

Cast and crew of The Big Bang Theory will take part in an official podcast hosted by Jessica Radloff and streaming on Max.

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 ...