Thursday, March 20, 2014
This week, scientists announced that they've found evidence of gravitational waves, a long-predicted twist in light from the Big Bang. The finding offers proof of the theory that the universe expanded extremely quickly in the first fraction of a second after it was born. Clara Moskowitz, an associate editor at Scientific American, explains what this discovery means and what it tells us about the creation of the universe.
Monday, March 10, 2014
Neil deGrasse Tyson, astrophysicist with the American Museum of Natural History and host of the new series "Cosmos," discusses his work in astronomy, and takes questions from listeners. If you're worried about the multi-verse collapsing in on itself, don't worry -- he explains.