With 18 years of data, a checkers-playing computer program knows every possible winning move.
We knew they would save gas; now we know they're cleaner, too.
Sirtris Pharmaceuticals announces that its souped-up version of resveratrol has passed early tests in humans.
An innovative high-tech prosthetic hand offers individually controlled fingers and a more realistic touch.
We are most likely to discover bizarre and unexpected new life-forms on other planets by studying extreme environments and organisms on Earth.
Former surgeon general Richard Carmona is telling us what we already know: that the Bush administration has, from the beginning, put ideology ahead of science.
In a small U.K. village, the locals hold a smoking vigil as smoking bans catch fire around the world. Are they working? And what about the United States?
As the banana falls to a devastating fungus, Ugandan scientists launch tests on genetically modified varieties to save a food staple of 500 million people.
Catholic bishops oppose human-animal hybrids but say that if one is created, it should be considered a full human.
Research highlights the lengths that microbiologists are going to to discover bizarre new bacteria.