See the evidence for a new theory of tiny humans—and the stunning South Pacific setting where it was found.

See the earliest known photo of Helen Keller and Anne Sullivan, Uncle Sam in a sad state, a groundbreaking space image, and more.

"I had heard about this whale, but we had never been able to find it," said a scientist who saw the giant mammal off Alaska's Aleutian Islands.

It's the little Dutch boy's worst nightmare. Hundreds of thousands of gallons per second began flooding the canyon from a dam as officials aimed to restore degraded habitats.

Caretakers at a British aquarium recently discovered that one of its newest residents, an octopus named Henry, had six legs instead of the usual eight.

The first-ever image of cascading debris on Mars is among 2,400 newly released snapshots of the red planet recently taken by an orbiting camera.

Get face-to-face with a frog-loving biologist who uses an unusual research tool—her tongue.

A big quake rocks Britain, the New York Philharmonic entertains North Korea, a galaxy is ablaze with new stars, and more.

A three-year-old green sea turtle in Texas is likely the first sea turtle to be fitted with a prosthetic flipper.

Trade in rare animal parts is thriving despite recent attempts to crack down on the wildlife trade in Southeast Asia. Warning: graphic images.

When a bat flaps downward, it produces a tiny cyclone of air that is also crucial to insect flight—a surprising find, researchers say.

The Scandinavian culture did not frown upon racy wardrobes before Christianity arrived, according to a new analysis of ancient textiles.

The dinosaur-era "sea monster" was bigger than a humpback whale and could have bitten a car in half, scientists say.

The futuristic entrance to the seed bank leads deep into a frozen mountain, where millions of seeds should be safe from war, warming, and other disasters.

As flames consumed a third of Lake Nakaru National Park, critically endangered rhinos, buffalo, impalas, and other animals "panicked."