Forecasters say the region’s sea ice will dwindle to a strip above Greenland and Canada. There, polar bears and others will ...

Soar into the world of flying fish. Find out how their amazing talents—that may be used to avoid predators—can sometimes get ...

Atlantic bluefin tunas have streamlined bodies built for speed and endurance. They can even retract their dorsal and pectoral ...

See nature images of lightning, sunsets, Samburu elephants, colorful frogs, a bold ladybug, and download wallpapers from ...

Discover a seabird that’s as comfortable underwater as it is in midair. Learn what threats menace booby colonies around the ...

Explore the Mingan Archipelago’s many islands to see giant monoliths, secluded beaches, and whales and other marine life.

And when he set out to explore Nova Scotia’s Cape Breton Island, a scenic, culturally diverse spot that joins the mainland by ...

They can be a life-threatening disaster—or a pricey nuisance. Here’s what you need to know about the depressions and holes ...

Think you’ve mastered the canyon? Take part two of our Grand Canyon National Park quiz and challenge your knowledge of its history and geology.

The alligator gar bears no relation to alligators, but with its wide, crocodilian head and razor-sharp teeth, it’s easy to ...

Though its last eruption was a century ago, California's Lassen Peak is the centerpiece of a volcanic panorama.

The Greenland shark is the world’s longest living vertebrate. It can live for 400 years— twice the age of the longest-living ...