| Feb 1, 2012
| 6:58 PM
Don Cornelius, who died Wednesday at 75, was a civil rights pioneer disguised as a dance-music-show host. He used to sign off the “Soul Train” show he founded in Chicago by wishing his viewers “love, peace and soul,” and devoted...
| Nov 20, 2009
About 15,000 years ago, North America was home to an astonishing number of large plant-eating mammals -- giant sloths, mastodons, mammoths. A thousand years later, they were all gone, wiped from the face of the Earth with sudden finality.
| Dec 1, 2009
The much-delayed, problem-plagued European Large Hadron Collider, the world's largest particle accelerator, is finally beginning to show off the technological muscle that is expected to produce some of the greatest scientific discoveries of the 21st...
| Nov 24, 2009
If there were a Guinness world record for making telescope mirrors, Dean Ketelsen would likely win it. Colleagues boast that the onetime Iowa farm boy has ground and polished more square footage of optics than any human being alive.
"It used to be a...
| Sep 18, 2009
NASA's lunar-mapping satellite has just begun its four-year mission searching for water on the moon, but it has already turned up a discovery that has scientists scratching their heads.
The Lunar Reconnaissance Orbiter's seven scientific instruments have...
| Sep 24, 2009
Space scientists have found the strongest evidence yet that water exists on the moon, a discovery that helps complete a picture of a water-rich solar system and that could make colonizing our nearest neighbor in space much easier than previously thought....
| Oct 8, 2009
In the predawn hours Friday, while those on the West Coast still snooze, a rocket is scheduled to punch a 13-foot-deep hole in a crater at the moon's south pole that hasn't seen sunlight in billions of years. The purpose: to find out whether ice lies...
| Oct 10, 2009
As entertainment, NASA's moon punch mission was more "Heaven's Gate" than "Raiders of the Lost Ark." As science, however, it might still qualify for blockbuster status.
Huddled in sleeping bags and tents, hundreds of people had gathered on a chilly Bay...
| Oct 17, 2009
Is 2012 the end of the world?
If you scan the Internet or believe the marketing campaign behind the movie "2012," scheduled for release in November, you might be forgiven for thinking so. Dozens of books and fake science websites are prophesying the...
| Oct 17, 2009
NASA's recent lunar-punch mission apparently was not the high-profile flop it first appeared.
Officials at Ames Research Center in Northern California, which managed the mission, released images Friday that clearly show a plume of debris from the...
| Dec 8, 2009
On a wind-tossed desert night, the dream of space pioneers Richard Branson and Burt Rutan to bring space flight to everyone -- at least everyone who can afford it -- drew closer to reality when the pair unveiled the world's first commercial passenger...