Corporate sponsors for the usually apolitical event held on the White House South Lawn include tech giants Meta, YouTube and ...

Two new studies suggest that stem cells are close to helping people with Parkinson's disease. The results are a victory for scientists who have spent decades trying to treat it with brain cells.

Champion chess player and Soviet dissident Garry Kasparov has a few thoughts about how well democracy in the U.S. is doing. He tells NPR's Scott Simon that it's not America first - it's America alone.