People in the path of the March 29 solar eclipse are making preparations ranging from doomsday predictions to travel arrangements.

The first ever winter trek to the North Pole reached its goal today despite setbacks from weather, equipment failures, and polar bears.

The dike along Florida's Lake Okeechobee, a shallow lake nearly the size of Rhode Island, is leaking. Could a hurricane cause another Katrina-like flood disaster?

Biologist George Schaller is tracking Afghanistan's giant Marco Polo sheep as part of a broader effort to put the remote mountain region on the conservation map.

New York's Bronx Zoo has become the latest U.S. zoo to shut down its elephant exhibit, adding to the debate about whether the animals should be kept in captivity.

Canada's vast new nature preserve, the Great Bear Rainforest, will be twice the size of the U.S.'s Yellowstone National Park. Survey its pristine scenery and learn how this historic conservation project was created.

Archaeologists say they have discovered an ancient sun temple in Cairo that is the largest temple of the pharaoh Ramses II ever found.

Scientists have announced the discovery of a small "kingdom" thought to have been destroyed by the largest volcanic eruption in recorded history.

Photo Gallery: See the "Lost Kingdom"

In the wake of last year's unprecedented hurricane damage, questions are being raised about whether rebuilding should be allowed on the U.S.'s hurricane-vulnerable coastlines.

The Tower of London's famous ravens have been moved inside to protect them from the deadly H5N1 strain of bird flu now threatening Britain.

Olympic organizers promise that the Turin Games will be "the greenest ever." But conservationists warn of a larger environmental crisis looming at the games' Alpine site.

Archaeologists have discovered the remains of a 500-year-old London chapel where generations of British monarchs worshipped, including Henry VIII.

Explore one of Earth's biggest biodiversity hotspots—the islands stretching from Indonesia to the Philippines—and experience the sizeable wildlife that thrives there.

See some of the previously unknown species that scientists recently discovered in a remote mountain range on the island of New Guinea.

Hurricanes and warmer seas have put the world's second largest coral reef at risk. Go deep with conservationists to see what's at stake.