Tiny tuna crabs are invading the beaches of California's Monterey Bay

This deep sea fish uses its fins to walk around

Rare video of a blue whale feeding close to shore in California

Submersible crew shocked by images of giant alien-like deep sea creature

Native people built seashell islands off Florida

Gray whales swim through kelp in this zen-inducing video

Coral reef larger than Delaware discovered in muddy Amazon waters

15 things you didn't know about manatees

5 reasons to pay attention to those dismal coral bleaching headlines

'Boaty McBoatface' may not see the light of day

Swarm of crabs on the ocean floor startles researchers

Gibraltar deflates celebratory annual balloon release