Marine biologists have found evidence of a previously unobserved deep-sea migration route more than 4,500 feet…

The dark, rocky face of the Dois Irmãos Mountain rises over the rainforest and through the clouds, overlooking the…

By the end of the century, sea level rise could force 13 million people to move away from the U.S. coasts. But it’s…

Every autumn as temperatures drop and insect populations decline, billions of birds migrate across the U.S. in…

A viral video’s been making the rounds this week of what looks like some kind of pneumatic tube coaster/aquatic Uber…

A number of U.S. departments that work overseas have been dealing with a serious problem since Donald Trump took…

Salmon will do whatever it takes to make some babies. They’ll even dart across oncoming traffic, apparently.

Every spring in Australia, millions of bogong moths emerge from their pupae and embark on a 600-mile trip to the…

Using search data collected by Google, researchers at the Pew Research Center have reconstructed the journeys taken…

It’s wonderful to be able to see nature like this, with animals in a habitat that has largely been left untouched.…

Cornell University’s Lab of Ornithology has brewed up a hypnotizing representation of birds flocking up and down the…

When your town is continually threatened by floods or your village’s fields become too dry to grow crops, there are…

For thousands of years, history has been recorded piecemeal, in books, artifacts, buildings and legends. But in the…

Every winter, sex hormones have a remarkable effect on California newts (Taricha torosa), driving them to walk miles…

In the days and weeks before Chinese New Year, some 700 million people—twice the entire population of the U.S.—cram…

The European honey buzzard migrates every year from Europe to Africa. This captivating visualization depicts the…

Standing just a few feet away, I looked into the eye of a wild polar bear, scrawny and gaunt from going a summer…

Wildlife photographer Will Burrard-Lucas made this impressive time-lapse showing the massive migration of wildebeests

What percentage of people who live in New York were born there? How did the proportion of Californians born…

At first glance, it looks like a nebula seen through the Hubble Telescope. But these expanding patches of…