In the deep ocean, far from sunlight, a small shark has been quietly carving perfect circles of flesh out of animals many ...

A rare sighting of the elusive creature stunned a California diver during a holiday trip to Monterey Bay.

Learn how Hawaii’s honu went from hunted staple to protected icon and what this sea turtle represents to the islands today.

A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, a sea slug wore ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Museum fossils in England reveal 200-million-year-old coelacanths, fish that swam alongside the first dinosaurs ...

A detailed investigation into these strange creatures is finally giving scientists and fishermen valuable clues about when ...

Wildlife officials in Oregon are on alert after an invasive Chinese mitten crab was found more than 100 miles from the last ...

Utah biologists have characterized D. woaabi, the first of two nematode species recently discovered in the lake’s ...

Antarctic icefish are famous for living without red blood cells, but they are not alone. A species of needle-shaped, ...

Bone-eating zombie worms vanished from Pacific canyons during a 10-year study, raising concerns that oxygen loss is altering ...

Keystone species play an outsized role in the ecosystem, affecting the natural balance in ways that cannot easily be replaced.