See the tragic results of a freak accident on an Kenyan river, and learn more about the animals' epic annual migration.

Ebola has struck at least 24 people in the Democratic Republic of Congo, prompting doctors fearful of an epidemic to set up an isolation ward.

Newly bred transparent frogs don't need to be dissected to see their internal organs and blood vessels.

Oktoberfest starts flowing, protesters march in Myanmar, Mars rover reaches a crater landmark, and more.

A sea lion pup that was seriously injured during last month's earthquake in Peru is released back into the ocean.

Early Polynesians traveled thousands of miles - from Hawaii to Tahiti - for trade and exploration, suggests a new study of woodworking tools.

A white-lipped snake and a fungus-like orchid are among the 11 new species found by WWF surveys in a remote tropical forest in central Vietnam.

New Zealand's Mount Ruapehu erupted without warning on Tuesday, covering a ski slope on the mountain's side with mud and injuring a resort worker.

A new rush to harvest iron, coal, and other minerals in Australia's Pilbara region is creating fortunes. But the unprecedented boom is also making life difficult for tourists, locals, and native groups.

Mining is booming in Australia to feed Asian demand. But the new mineral rush is straining relations with native groups, stressing a fragile environment, and making life for locals difficult.

Two British scientists have come up with a controversial global warming solution: putting thousands of giant pipes in the ocean to spur the growth of algae.

Clues found in the prehistoric paddy fields show that Stone Age farmers used fire and even flood control to grow the staple crop.

In South Africa a spectacular show enlivens one of the world's richest hot spots of floral diversity.

Arctic sea ice is melting faster than ever before, U.S. scientists said in September 2007, when ice receded to record lows. See the satellite images that tell the story.

Israel and Jordan have teamed up to construct an artificial reef in the Red Sea that is designed to draw divers away from the fragile natural reefs.