DNA from a mastodon tooth has revealed surprising insights into the history of elephants—including similarities to human evolution.

See a roundup of the week's news and events: Britain's adventurer swims at the North Pole, heat wave sweeps Europe, fishers hook an ancient fish, and more.

The high-tech iLimb, being sold for £8,500 (U.S. $17,454), is the first prosthetic hand to offer fully independent digits, its manufacturers announced.

Yes, mother: Honeybee queens wield ultimate control over their subjects' brains, a new study says.

The surface of the icy moon Iapetus froze solid during its infancy, locking the moon into its unusual bulging shape, scientists say.

One of the world's rarest creatures, Attenborough's long-beaked echidna, appears to be alive and well, scientists say. And reportedly it's also quite delicious.

"Geckel," a next-generation tape based on two of nature's greatest clingers, may soon be appearing in clothing and bandages.

Neandertals and other early human species that lived outside Africa are not among our direct ancestors, a new study says.

"Killer electrons," supercharged particles that pose a significant hazard to spacecraft and astronauts, are formed right in Earth's back yard, new research shows.

Can an engineer bring sexy back—to the future? One scientist might, if her new space suit design makes it off the launching pad.

Human walkers exert far less energy than their chimp counterparts, suggesting evolution may have steered humans toward moving on two legs.

Dino soup, anyone? For centuries, the Chinese have likely used dinosaur bones—thought to be mythical dragon bones—as ingredients in their medicine and food.

See a roundup of the week's news and events: Indonesia's Mount Gamkonara rumbles, snow falls in Buenos Aires after 89 years, Boeing launches its 787 Dreamliner, and more.

An ancient jawbone found in Ethiopia could rekindle the debate about how many species of human ancestors roamed East Africa three to four million years ago.

Cyclical changes in the sun's energy output are not responsible for recent global warming, a new study asserts—placing the blame mostly on people.