Where did we come from? Scientists have pieced together a tale of human origins from the fossils of our ancestors. But the tale is incomplete and its telling is being reshaped by the growing fossil record.
Ohio has executed a 5-foot-7, 267-pound double murderer who argued his obesity made death by lethal injection inhumane.
Tree power might sound like a hippie battle cry, but scientists at the Massachusetts Institute of Technology have literally tapped into the tiny electrical current carried in trees and created a company, Voltree, to capitalize on it as a power source.
Pakistani security forces killed up to 100 al-Qaida-linked militants in fierce clashes in a volatile tribal region near the Afghan border on Thursday, a security official said.
Questions and answers about the Large Hadron Collider:
Sarah Palin is as dramatic a contrast as one can envision with Republican presidential candidate �John McCain.
Dips in the sun's activity have triggered centuries-long droughts in eastern North America, according to a new study that examined the geologic record stored within a stalagmite.
A nationwide salmonella outbreak is winding down, but federal health officials can't yet say how the few tainted Mexican peppers they've found could explain the widespread illness.
Strange events that Einstein himself called "spooky" might happen at least 10,000 times the speed of light, according to the latest attempt to understand them.
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Plans set for 'Tricorder' contest
Plans set for 'Tricorder' contest
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Bin Laden hideout location challenges Pakistan credibility
Bin Laden hideout location challenges Pakistan credibility