For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

I’m a personal trainer who's tested products for five years. Of the 14 fitness trackers I tested, the Fitbit Charge 6 and the Amazfit Bip 3 Pro emerged as the best for beginners and the best value, ...

NPR's Up First is the news you need to start your day. The three biggest stories of the day, with reporting and analysis from NPR News — in 10 minutes. Available weekdays at 6:30 a.m. ET, with hosts ...

The Rasmussen Reports daily Presidential Tracking Poll for Friday shows that 46% of Likely U.S. Voters approve of President Trump’s job performance. Fifty-three (53%) disapprove. The latest figures ...

Marion Nestle says we need to rethink how we eat. She recommends "real food, processed as little as possible, with a big emphasis on plants." Her new book is What to Eat Now.