Barreleye fish are named for their unique, barrel-shaped eyes. These eyes can rotate, allowing the fish to look both upward and straight ahead. Their eyes also have bright green lenses protected ...

Far beneath the waves, animals evolve in strange and surprising ways, often becoming much larger than their shallow-water relatives. This video explores why deep sea creatures grow to giant sizes, and ...

Thousands of meters below the ocean's surface lurk some gigantic creatures, much larger than their shallow-water brethren. Scientists have a few hunches for why this happens, but the debate continues.

Scientists discover underwater mountain ranges, golden towers of coral, and never-before-seen sea creatures.

The hoodwinker sunfish, or Mola tecta, can weigh as much as 4,400 pounds and can grow up to nine feet long "It was so enormous and so weird and gorgeous. It's like suddenly you're on another planet," ...

Marine animals living in the cold, dark depths of the ocean are interconnected across the world by a hidden “superhighway”, a groundbreaking new study suggests. The research, published in the journal ...

A hoodwinker sunfish, or Mola tecta, can weigh as much as 4,400 pounds and can grow up to nine feet long Charlotte Phillipp is a Weekend Writer-Reporter at PEOPLE. She has been working at PEOPLE since ...