Investigate

Humpback Whale Washes Ashore in Amazon River, Baffling Scientists in Brazil

These Species Were Said to Be Extinct. Really, They Were Just Hard to Find.

Visitors From the Ocean’s Twilight Zone

With Piranha-Like Teeth, This Prehistoric Predator Never Bit Off More Than It Could Chew

This Knife-Wielding Mini-Monster Wants You to Back Off

Breathe Deep: How the Antarctic Sea Spider Gets Oxygen

The Ocean Breathes So We Can, Too

The Squid That Sink to the Ocean’s Floor When They Die

Native American Secrets Lie Buried in Huge Shell Mounds

Fish Depression Is Not a Joke

After the Tsunami, Japan’s Sea Creatures Crossed an Ocean

Researchers Offer Solution to Puzzle of Sea Snakes With Jet-Black Skin

It’s Better to Swim Alone, Yet Together, if You’re a Salp

Giant Squids, Giant Eyes, but Rather Small Brain Lobes

The Black Sea Turned Turquoise, Thanks to a Phytoplankton Bloom

Cuttlefish Battle

Battle of Cuttlefish Caught on Tape

Little Tropical Fish With a Big, Venomous Bite

First Underwater Video of Elusive True’s Beaked Whales

After Earth’s Worst Mass Extinction, Life Rebounded Rapidly, Fossils Suggest