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For the first time, scientists have found water ice on an asteroid. The giant space rock out between Mars and Jupiter appears to have a fine layer of frost on its surface. Scientists think that our own oceans may have come from water-bearing asteroids that smashed into our planet.

Airs Saturday, November 6, 2010 at 2 p.m. on KPBS TV

As President Obama takes the oath of office again today and lays out his vision for the next four years, we're live blogging before, during and after the ceremony.

South Carolina Gov. Nikki Haley swept into office on a wave of Tea Party enthusiasm. One year later, her approval numbers are slumping, and her endorsement of former Massachusetts Gov. Mitt Romney has drawn criticism from many of her core supporters.

What Is YOUR Favorite War Movie? Everyone Please Respond

The announcement by physicists at the world's biggest atom smasher is a watershed moment in our understanding of the universe.

San Diego County gained more than 6,000 jobs in 2010. It was the first year since 2007 that the county added any jobs. The increase could bode well for a continuing recovery.

Airs Wednesday, May 11, 2011 at 8 p.m. on KPBS TV

A smaller companion moon to Earth's moon may have risen and set in the sky for tens of millions of years, a new theory says. The second moon may have later crashed into our moon, leading to the mountains and high terrain on its far side.

Called EcoAtm’s, the new machines pay cash for "e-waste" like outdated and broken cell phones.