Archaeologists in Israel announced new discoveries at what the team believes is the tomb of the biblical King Herod on Wednesday.

Iran's largest saltwater inland lake is diminishing because of drought, alarming environmentalists.

A NASA astronaut accidentally lost a tool bag during a spacewalk Tuesday when a grease gun exploded. The kit is one of the largest items ever lost by a spacewalker.

Doctors in Spain successfully transplanted a windpipe into a woman using tissue grown from her own stem cells.

Watch as a destructive locust swarm moves across farmland in drought-ridden New South Wales state, prompting officials to prepare an airborne assault.

It may seem disconcerting to see volunteers "steal" eggs as they're laid by green sea turtles in Pakistan. But it's all for conservation.

A whaling ship is seen departing Japan Monday in video provided by Greenpeace, which claims the ship is on its way to Antarctic waters to hunt whales. Warning: Video contains graphic imagery.

Three Sumatran tiger cubs made their public debut Monday at an Australian zoo. With fewer than about 500 wild Sumatran tigers left, the cubs are more than just cute.

Lonesome George is the last of a Galápagos tortoise subspecies. After 36 years the aging tortoise finally fertilized eggs of a female tortoise, but most are unlikely to hatch.

Cuba is the only country that meets the criteria for sustainable development from the conservation group WWF. But concern persists for once thriving Caribbean marine turtles.

New "robo legs" make walking and climbing stairs easier. "I felt like I had springs in my legs," said a reporter who had tested the high-tech apparatus.

After three years of allegedly fasting and meditating in a Nepal jungle, an 18-year-old revered by some as a reincarnation of Buddha meets his followers.

A Peruvian association is offering U.S. President-elect Obama's family Machu Picchu, a hairless, hypoallergenic puppy. Obama's daughter Malia is allergic to most breeds.

Built as a "paradise on Earth" in Beijing for a Chinese emperor, the Forbidden City's newly restored garden quarters have been sealed off for nearly a century.

A previously buried 4,300-year-old pyramid in Egypt has been found by archaeologists—the tomb of Queen Sesheshet.