San Diego is known for its balmy beaches, art galleries and museums, sprawling urban parks, theme parks, and renowned zoo. It ...

Narrated by Tom Hanks, NBC's The Americas returns tonight! Here's your preview guide for Ep. 3: "The Wild West" and Ep. 4: ...

Antarctica once teemed with forest life, a new study finds. But the world's seas and oceans looked different during one of ...