It's this principle that's behind the rise of the 5x5 workout - a simple, expert-backed way to get strong, fast. The workout ...

Samsung phones come packed with smart features, but chances are, you're not using all of them. Here's the list of my favorites.

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...