Three scientists won the Nobel Prize in medicine Monday for discoveries about how the immune system works. In separate ...

Suzanne Simpson went missing on4. She was last seen by a neighbor in her affluent suburb of San Antonio allegedly arguing ...

In a rare recording of a dying man's brain, scientists observed a surge of rhythmic activity—similar to dreaming, memory ...

When someone's heart stops beating, their brain cells start dying within minutes. But sometimes, they can still come back ...