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Astronomers monitoring the Kepler space telescope have detected nearly 1,300 planets flying in orbit around distant stars, a cosmic search that began nearly 10 years ago inside a rusty old telescope dome at the Lick Observatory atop Mount Hamilton near San Jose. From the size and orbits of the new-found “exoplanets,” the astronomers said at least 550 could be rocky planets much like Earth, and at least nine are orbiting at just the right distance from their stars to lie inside their “habitable zones” where temperatures would be just right for liquid water, the one ingredient essential for life to...

LONDON (Reuters) - Teams of international scientists have used observations from NASA's Swift satellite and other telescopes to witness the evolution of a cosmic blast into a stellar explosion or supernova. The blast is thought to be a milder type of gamma-ray burst (GRB) -- the most powerful type of explosion known to astronomers -- called an X-ray flash. It is known as GRB060218 after the February 18 date it began in the constellation of Aries about 440 million light years away. A light year is about 6 trillion miles, the distance light travels in a year. "This extends the...

The first-ever gravity survey of the entire Antarctic ice sheet, conducted using data from the NASA/German Aerospace Center Gravity Recovery and Climate Experiment (Grace), concludes the ice sheet's mass has decreased significantly from 2002 to 2005. Isabella Velicogna and John Wahr, both from the University of Colorado, Boulder, conducted the study. They demonstrated for the first time that Antarctica's ice sheet lost a significant amount of mass since 2002. The estimated mass loss was enough to raise global sea level about 1.2 millimeters (0.05 inches) during the survey period, or about 13 percent of the overall observed sea level rise...

Report: U.S. Detects Al Qaeda Camp in Iran Thu Sep 26,12:00 AM ET WASHINGTON (Reuters) - U.S. intelligence has detected what appears to be an al Qaeda training camp in a remote region of eastern Iran along the border with Afghanistan ( news - web sites), NBC News reported on Wednesday, citing unidentified sources. The network said it was told by its sources that overhead imagery of the site shows a suspected terrorist camp that includes a driving course and rifle range very much like al Qaeda camps in Afghanistan that were used to train for assassinations, NBC reported. NBC...