Scientists filmed a squid covering itself in mud and holding its tentacles upright, using camouflage that helps it hide on the ocean floor.

Invisible clouds of sediment created by underwater mining spread for miles, putting ocean floor ecosystems at risk.

Photographers capture mutant crayfish, cleaning fish, and synchronized whales in this year's top underwater contests.

In hydrothermal vent fields, a small snail evolved an iron-reinforced shell. Here’s how it challenges assumptions about ...

There may not be many, but films like Jaws, Deep Blue Sea, and The Shallows prove that there are shark movies out there that ...

Thousands of years before the invention of compasses or sails, prehistoric peoples crossed oceans to reach remote lands like ...

Scientists have unearthed in southern China fossils of a multitude of marine creatures dating to more than a half billion ...

The ocean is home to some of the creepiest animals out there. It feels like the deeper you go in the water, the stranger and ...

A new study led by scientists at Woods Hole Oceanographic Institution (WHOI), along with international partners, finds that ...

Deep beneath the waves, something is shifting. Life once drawn to sunken whales and wood is missing, leaving the seafloor ...

While the Trump administration frames deep-sea mining as a ‘core national security and economic interest,’ dozens of ...

Rock climbers in Italy stumbled across evidence of what appears to be a sea turtle stampede that took place nearly 80 million ...