A new species of flapjack octopus, with massive eyes and blood-red tentacles, has been discovered from a deep-sea canyon off ...

Geologists working on surveying land in Mississippi stumbled upon an incredible find: the fossil of an ancient marine apex predator considered a "sea dragon" of the time.

Researchers have found evidence of animals sailing across the oceans on accidental rafts of vegetation, fallen trees, and ...

When under threat by, say, a crab, some sea cucumber species shoot out their guts—their intestines and respiratory tracts, ...

Think birds can’t have spikes? Think again. Explore the world of spiky animals, from crowned cranes to hedgehogs and venomous ...

After a brief rain 350 million years ago, a reptile pressed its claws into the ground. Its tracks now show the oldest-known ...

A vast proportion of our oceans still remain unexplored and mysterious, with unimaginable diversity calling them home.

Meet Mosura fentoni, a bizarre 506-million-year-old "sea-moth" with three eyes, claws, and an abdomen full of gills.

Researchers at the University of Colorado Boulder and Oak Ridge National Laboratory have developed a new way to identify ...