After the fall of apartheid in South Africa, the Makuleke people won back their ancestral territory but opted not to return. Observers say the choice has benefited the community and wildlife.

Prehistoric global warming caused mass extinctions of wildlife and created exceptionally well-preserved fossils of the remains, a new study says.

Longer summers, more floods, and the end of "winter as we know it" may be in store for the U.S. a century from now, according to a new study.

A type of seaweed discovered in Fiji could someday be used to fight bacterial infections, cancer, or even AIDS, researchers report.

Panamanian officials are resisting pressure to build a road through a pristine wilderness straddling North and South America known as the Darién Gap.

Researchers are finding promising new evidence of the medicinal benefits of cannabinoids, the active ingredients in marijuana.

Who owns your genes? According to a new study, 20 percent have been patented by private firms and universities for use in research.

The magnitude 7.6 quake that shook a broad swath of South Asia on October 8 resulted from the same forces that give rise to the world's tallest mountains, experts say.

Saturday's 7.6 magnitude quake near the India-Pakistan border has reportedly left at least 20,000 people dead and up to four million homeless.

A computer simulation dubbed Virtual California suggests that the San Francisco Bay Area may experience a large quake within the next two decades.

Speckling on birds' eggs may be a unique solution to an engineering problem: how to strengthen fragile shells.

Weeks after Hurricane Katrina struck, people on Mississippi's Gulf Coast cling to what's left of their homes, as the devastated region inches its way to recovery.

A record-breaking race car powered by a hydrogen fuel cell offers proof that development of alternative-energy vehicles is well underway.

To fight an invasive bug that's devastating hemlock trees in Appalachia, scientists are siccing other alien insects on the offender.

The winning pictures in this year's Visions of Science Photographic Awards take you from the depths of the Caribbean Sea to the surface of a cancer cell.