Dive beneath the waves of the Olympic Coast National Marine Sanctuary, where sea otters play, humpback whales migrate, and ...

In rivers that once held a balanced mix of native fish, a giant predator now dominates so completely that it has started ...

Chefs have taken to incorporating invasive species into their menus, with other problem pests like blue catfish even being ...

The lobstermen went against fishing protocol by dropping their northeast endlines to reduce the number of ropes in the water.

In the Tarn River, in the French town of Albi, pigeons gather to wash off dirt and dust. But as the oils from their feathers wash downstream, a huge predator senses the birds. They feel their way to ...

Discover all you need to know about gray whales, including what they look like, how big they are, lifespan and where they ...

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.

The new year started off with a bang when a python hunter caught a 202-pound female python. That's a lot of meat to eat. But don't do that.

Orcas are born with powerful bodies and sharp teeth, but they are not born knowing how to hunt. Here’s why they depend so ...

Whales returning to the warming waters of the Gulf of St. Lawrence for the summer are sharing more food resources. The shift ...

A spectacular and rare sighting was captured on video off the Southwest Florida coast: An endangered right whale and her calf ...

When researchers from the University of British Columbia set out to film the solitary hunting habits of Northern resident killer whales, they expected to see quiet and solitary predators at work.