Biologists have confirmed the existence of a 200-million-year-old species of egg-laying mammal that has been assumed to be extinct.

A seagull's head was marked with a swastika and its feathers were ripped out by an inmate at a prison in England; the gull is ...

Why are dugongs endangered? The cousin of the manatee has been put on the vulnerable list, elevating awareness about the ...

The first new species, Peltospira gargantua, was found on a black smoker chimney in the Hydra field at a depth of about 12,300 feet, researchers said.

An expedition in the Southern Ocean captured video of a rare species of deep-sea cephalopod. Until now, it had been found only in fishing nets and in the bellies of seabirds.

Seagrasses are critical to coastal ecosystems—offering habitat, stabilizing the seafloor and buffering wave energy—but ...

The Gonatus antarcticus squid, found only in the waters around Antarctica, was spotted at a depth of approx. 2152 meters in the Weddell Sea.