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Without "a few years" warning, humans currently have no capacity to stop an asteroid on a collision course with the planet, scientists told a Senate panel Wednesday.

In the past, many psychotherapists ran their own little businesses. But changes in health care coverage mean that many must start accepting insurance and doing paperwork. That's leading some therapists to form group practices or join large medical groups — and may lead to better care for patients.

The Transportation Security Administration will remove controversial body scanners from airport security after OSI Systems Inc. didn't update its machines' software to make scanned images of airline passengers less revealing.

Blue-collar workers, hit hard by automation and factory offshoring, have been struggling to find high-paying jobs.

The winner of the Grammy Award for Album of the Year can look forward to a huge increase in album sales along with their trophy. A look back at winners over the last decade shows that results vary.

School staff, teachers and parents across the country are grappling with how to respond to the tragic mass shooting at a Connecticut elementary school.

Devices that tally the number of bicyclists on streets and along bike paths have been installed in 14 cities in San Diego County, with plans for more in the works, county officials announced today.

In the world of atoms, one thing can exist in two places at once. But on a larger scale, that rule usually breaks down. For the first time, scientists have put an object large enough to be seen with the naked eye into a state where it exhibits "weird" quantum behavior.

In 1931, Harry Powers killed two women and three children at his home in Quiet Dell, W.Va. Writer Jayne Anne Phillips learned about the murders from her mother, who was a child when the deaths became a media sensation. Phillips' new novel retells the tragedy through the eyes of a young reporter.

If you're among the estimated 27 million Americans who suffer from osteoarthritis of the knee or hip, then perhaps you've tried the nutritional supplements glucosamine and chondroitin. They've been marketed for joint health for about 20 years, and sales are still brisk. But do they help?