Tuesday January 18, 2011 Updated 6:45 PM PST
Bejeweled and Angry Birds are fun, but the computer games represent little more than a pleasant way to...
Fifty million years ago, powerful forces deep underground launched a wave of mountain building that...
Back at the dawn of the dinosaur era, a quick-moving predator set the stage for the famous and fearsome giants that followed in its...
Chronicle 1.14.11 4:00 AM
A dozen species of worms that devour the skeletons of whales and two species of snails related to the gastropods that munched dinosaur...
Chronicle 1.13.11 4:00 AM
If the title "How I Killed Pluto" makes you cringe, hear author Mike Brown out. The Pluto in question isn't Mickey Mouse's loyal...
Chronicle 1.13.11 4:00 AM
The spacecraft Kepler, searching for planets far beyond our solar system, has found a rocky one that's not much larger than Earth, but...
Chronicle 1.11.11 4:00 AM
- Space station commander Scott Kelly led NASA in a moment of silence Monday as he struggled with the senseless shooting of his...
Chronicle 1.11.11 4:00 AM
A moderate earthquake rattled the Bay Area this afternoon. The 4.1-magnitude quake struck at 4:10 p.m. with an epicenter 13 miles...
Chronicle 1.7.11 4:29 PM
A 4.4 magnitude earthquake hit the Bay Area at about 4:10 p.m. today, according to the U.S. Geological Survey. The quake was centered...
Chronicle 1.7.11 4:22 PM
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