StarTalk: Travels in Time
StarTalk

Get ready to spend some time pondering time, because in this episode of StarTalk, host Neil deGrasse Tyson is joined by co-host J. Richard Gott, author of Time Travel in Einstein’s Universe and an expert in exotic astrophysics.

StarTalk: Time Travel at the Movies
StarTalk

According to Einstein’s Theories of Relativity, time travel is possible.

Flash Forward: POWER - Time After Time
Flash Forward

Today we travel to a future where we can travel through time. Is it possible? Would you kill Hitler? Would it matter?

But Why?: Why Do Days Start At 12 O'Clock?
But Why?

Answers to all of your time questions with Andrew Novick of NIST, the National Institute of Standards and Technology.