NASA discovered a massive ocean 500 miles below Earth's surface, held in ringwoodite. Is the government hiding something?

A new analysis of century-old coral skeletons shows that ocean acidity along the Pacific coast has risen far faster than ...

New research shows how deep-sea fish evolved unique body shapes depending on depth and habitat, revealing surprising ...

Along California’s Highway 1, where the road clings to cliffs like it’s afraid of heights but can’t resist the view, there’s a spot that makes first-time visitors stop mid-sentence and just stare.