Do You Need to Drink Eight Glasses of Water a Day? It's Complicated

Planet-killing stars can cover up their crimes. Here's how we could catch them.

Exclusive: Netflix's new 'Our Universe' docuseries combines natural history with ancient ties to the stars

A Ukrainian boy was catching sweets from the American planes during the Berlin Airlift. The planes inspired him to become airrspace engineer. Dr. Yarymovych became Chief Scientist of the U.S. Air Force, worked also for NASA on Apollo program and is credited with initiation of GPS