Web-savvy travelers are harnessing online mapping services to show the world their discoveries—and themselves.

Adventurers searching for the source of the Nile River say they faced frightening crocodile attacks and a deadly assault.

Learn more about this unique San Francisco neigborhood, and see how it is currently being shaped by the cultures and traditions of its Hispanic residents.

One of the world's most active but least known volcanoes is threatening a wave of destruction on the densely populated Indonesian island of Java.

The National Cherry Blossom Festival celebrates the blooming of Washington, D.C.'s cherry trees, which were given by the people of Tokyo as a token of friendship.

Standing perhaps seven feet (two meters) tall, the predator was discovered in a remote area that fossil hunters call a dinosaur graveyard full of unusual species.

The South Pacific nation of Kiribati has designated an enormous swath of atolls, coral reefs, and deep ocean to become the world's third-largest marine reserve.

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

It may have been seen thousands of times by fishermen, but this new species of shark was discovered by scientists only recently in Mexico.

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"