NPR's Ayesha Rascoe speaks with author Randall Munroe about his new book, "What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions." So question for you. If you unleashed a ...

It’s a pretty safe bet that nobody is going to fill the solar system with soup, out to the orbit of Jupiter. For one thing, that would take a lot of soup—2 x 10 to the 39th power liters, which is also ...

years ago in a cave near Les Eyzies in the Dordogne, France. Credit: SEARCHING: Our Quest for Meaning in the Age of Science Dr. Alan Lightman has been around the block a few times. Over the past five ...

Popular Science podcasts unearth the universe’s strangest histories. They answer your most mind-burning questions. They tell ...