Space shuttle glides to safe landing in California Space shuttle Endeavour slipped out of a brilliant desert sky and touched down safely in California after a nearly 16-day mission to repair and upgrade the international space station.

Dirty teeth reveal ancient diet Thanks to poor dental hygiene, researchers are getting a more detailed understanding of what people ate thousands of years ago in what is now Peru.

Food crunch opens doors to bioengineered crops Zeng Yawen's outdoor laboratory in the terraced hills of southern China is a trove of genetic potential—rice that thrives in unusually cool temperatures, high altitudes or in dry soil; rice rich

Mandates driving surge to the river for hydropower Many decades ago, cost-conscious Henry Ford turned to hydroelectric plants to power his car factories like the one by the Great Miami River, near this Cincinnati suburb.

Problems prompt manual docking at space station A Russian cosmonaut used a joystick to guide a modernized cargo ship to the international space station Sunday after problems with an automated system prompted a last-minute switch to a manual dock

150 whales die in stranding in Australia A group of 150 whales that became stranded on a remote coastline in southern Australia were battered to death on rocks before rescuers could save them.

NZ won't quickly rescue hurt whalers, protesters New Zealand will not be able to quickly rescue anyone who gets lost or hurt if clashes erupt between animal rights activists and Japanese whalers off the north Antarctic coast, the foreign minister

Cornell astrophysicist Edwin Salpeter dies at 83 Edwin E. Salpeter, an astrophysicist whose work in the "Salpeter-Bethe equation" showed how helium changes to carbon, has died. He was 83.

Group seeks Pickens' wife's help to save rangeland Conservationists are looking to the wife of Texas oil tycoon T. Boone Pickens to help push for federal reforms that they say will help thousands of wild horses and save rangeland in the West.

Expert: Small Ark. earthquakes could be warning A series of small earthquakes that rattled central Arkansas in recent weeks could be a sign of something much bigger to come.