Battle over building under boulders in Yosemite

Battle over building under boulders in Yosemite

For a decade, the National Park Service has known that the 3,000-foot granite cliff hanging over a...

Astronaut who lost bag on spacewalk embarrassed

The astronaut who lost her tool bag on a spacewalk admitted Wednesday that she made a mistake by not...



Map of mammoth DNA from hairballs almost done

An international team of scientists has reconstructed more than three-quarters of the genome of the woolly mammoth using DNA extracted...

Chronicle 11.20.08 4:00 AM

Endeavour docks with space station improvements

Space shuttle Endeavour linked with the international space station on Sunday, kicking off a huge home makeover that will allow twice...

Chronicle 11.17.08 4:00 AM

Shuttle crew inspects for damage after launch

Space shuttle Endeavour's astronauts unfurled a 100-foot, laser-tipped pole and surveyed their ship for any launch damage Saturday...

Chronicle 11.16.08 4:00 AM

Old NASA moon photos restored

The old moon has never looked this good. Mankind's first up-close photos of the lunar landscape have been rescued from four decades of...

Chronicle 11.14.08 4:00 AM

First photos taken of planets far, far away

Way out there in the Milky Way, and far beyond our own solar system, astronomers have snapped the first direct photographs of more...

Chronicle 11.13.08 8:28 PM

Spirit gets in touch after Martian dust storm

Despite a nasty Martian dust storm, Spirit lives. NASA had not heard from the 5-year-old Martian rover for four days. Just when...

Chronicle 11.14.08 4:00 AM

Millions in Southern California in quake drill

The scene across Southern California Thursday looked like an earthquake disaster movie: Children ducked under their desks and held on...

Chronicle 11.14.08 4:00 AM