Sperm whales, the planet’s largest toothed predator, have incredibly complex social structures and cultural practices. During a recent WWF-backed research expedition around Greece’s northwestern ...

A humpback whale found itself entangled in fishing nets off the coast of Poland, but luckily, local rescuers were there to ...

Hargrove: Daniel He’s a whistle-blower who carried an actual whistle, which he wore around his neck during his 12 years as a trainer of killer whales at SeaWorld theme parks. The whistle ...

"A polar bear can smell a human from miles away." Video captures chilling moment polar bear approaches massive rig: 'They are ...

The Chihuahuan is the largest desert in North America-stretching all the way from the southwestern United States deep into the Central Mexican Highlands. WWF's conservation efforts focus on the Big ...

Past strong El Niño events have caused mortalities of up to 77 percent, with dramatic declines of prey species and reduced breeding success. Make a symbolic penguin adoption to help save some of the ...

This story was originally published by Grist with the headline New technologies are helping to regrow Arctic sea ice on Apr ...

Every autumn, hundreds of right whales converged to the south of the island and remained until the early spring. Right whales—so named because they were “the right whale to kill”—grazed ...