Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

On a rocky ledge over the coast of an island in the far south Atlantic Ocean, a young penguin peers nervously at the chasm ...

Northern elephant seals are protected by federal law, and disturbing them during fasting and breeding can cause stress, ...

A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem. Long absent from Argentinian Patagonia due to over-hunting, pumas have returned ...

With every passing game, folks are waiting to see the Pittsburgh Penguins snap out of whatever malaise they find themselves in. With yet another loss - this one against the Montreal Canadiens on ...

Seals are semi-aquatic marine mammals. They’re also known as pinnipeds, which means ‘fin-footed’, referring to the large flippers they have for arms and legs. Combined with their streamlined, ...

As if Magellanic penguins didn’t have enough to worry about to survive on the chilly environs of Monte León National Park on Argentina’s Patagonian coast, they now have a new problem: pumas. In 2004, ...

A total of 315 victim letters were submitted to the court ahead of Terraform Labs founder Do Kwon's sentencing on Thursday. The U.S. judge said the letters were "impactful" and cited them ahead of ...

For most of the season, the Pittsburgh Penguins have hovered somewhere between promise and frustration — dangerous enough to hang with anybody, inconsistent enough to lose to just about anyone too.