In Earth’s deepest waters, survival depends on aggression, stealth, and biology built for killing in darkness. This video ...

During a dive off Argentina, scientists documented a rare jellyfish discovered a little over a century ago and seldom seen since, as well as the fish that keep it company.

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

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 ...

Sperm whales dive into the midnight zone, using echolocation to track giant squid, returning scarred breathing hard, alive at ...

Sharks are often imagined as massive, powerful predators cruising through open water, but not all sharks are great ...

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

“It’s definitely always very gratifying to see these animals go back into their ocean home,” said Dr. Heather Barron with the ...

Evolution sounds like a straight climb toward better survival, but fossil records and genetic research show species sometimes ...

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

Megalodon usually gets all the attention when it comes to sea monsters, but ancient oceans were full of predators just as ...

The ocean is full of surprises, and scientists are still finding creatures that seem almost unreal. From tiny reef animals to bizarre deep-sea species, these discoveries show just how much of the ...