Researchers said the rare species “abruptly disappeared” from the region following an El Niño event. Now it is thriving.

There are two species of seahorse in the British Isles – the short-snouted seahorse and the spiny seahorse. Both species are ...

The smallest species of whale tricks its predators by gushing red gallons of red fluid into the water when under attack ...

Researchers said they named the new species after the Nansei Islands near the Okinawa Trough where it was first discovered ...

Netflix's upcoming 'All The Sharks' will be a riveting reality TV competition based on sharks. Here's everything we know so ...

Even with all our satellites, sensors, and science, the natural world still manages to surprise us. There are certain animals ...

With ear-like fins that flap gracefully through the water, this Dumbo octopus looks like it waltzed straight out of an ...

Genetic analysis reveals bluebottles are actually four distinct species, overturning two centuries of scientific belief.

A translucent Sericosura sea spider. Image via Shana Goffredi “I came up out of the submersible all dejected because I thought we didn’t collect any,” Goffredi told SFGate. “And it turned out we’d ...

The never-before-seen footage of sea creatures struggling in fishing nets is featured in National Geographic’s new documentary Ocean with David Attenborough.

Antarctica appears sparse. Nothing but white ice, glaciers and harsh conditions that only a few animals have adapted to ...

A “strange” creature recorded in the deep waters off the coast of Japan represents an exceptionally rare kind of discovery. With a body shaped like Mount Fuji, the new-to-science sea anemone ...