At Russia's Pleistocene Park, scientists are re-creating an Ice Age landscape by reintroducing plants and animals that once thrived in the region.

When Washington State's Mount St. Helens erupted in 1980, it devastated the landscape. Now, after an unpredictable 25 years, the area is again thriving.

New genetics research has rewritten the history of the evolution and spread of leprosy, a disease that afflicts only humans, armadillos, and the footpads of mice.

To create the most lifelike reconstruction of Tutankhamun ever, forensic experts used technology straight out of CSI. (Includes photos.)

A new study shows how genes can help reveal how societal rules affect mobility.

Author Anthony Brandt follows the trail of Lewis and Clark on the 200th anniversary of their expedition to open up the U.S. West.

Getting the feel for life as an 18th-century soldier isn't easy when there's an airplane flying overhead or a siren wailing in the distance.

Did ancient toxins in Tutankhamun's tomb cause the high-profile death that inspired fears of a legendary Egyptian curse?

Nationalgeographic.com was among the Web sites that won a Webby Award yesterday. Now the Webbys' founder discusses the "Internet Oscars" and the Web's future.

First noticed by a black market fossil dealer, a new species found in a Utah boneyard may be a missing link in dinosaurs' trend toward vegetarianism.

Appalachia's mountain dialect—"the most heavily stigmatized regional speech in the" U.S.—is emerging as a source of pride, linguists say.

Schoolkids used to be sent home for smelling like ramps, which grow wild in eastern North America. Now the onionlike herbs inspire spring celebrations.

Like Albert Einstein, British comic sci-fi author Douglas Adams sought a unified theory to explain the universe. Well, sort of. His answer, The Hitchhiker's Guide to the Galaxy, hit U.S. movie theaters this weekend.

Where did we come from? Emerging "intelligent design" theory may change the very definition of science by allowing the supernatural into the lab.

If Indonesia's tsunami survivors don't get lumber donations for reconstruction soon, they may devastate their own forests, environmentalists warned today.