Studies dispel claims of 'shadow biosphere' on Earth

A few scientists have argued that descendants of an alternative origin of life may still lurk in a "shadow biosphere" somewhere here on Earth. It's an intriguing idea, but the search for the shadow inhabitants is becoming ...

Mars goal: nail the landing

Three weeks from Sunday night, an amiable, whip-smart engineer named Ray Baker will be staring into his computer screen at the Jet Propulsion Laboratory, hopeful and helpless - or, as he puts it, "sweating blood."

Consumer Reports: Special 'eco' car models don't pay off

The special "eco" versions of small cars such as the Chevrolet Cruze, Ford Focus and Honda Civic don't improve fuel economy enough to be worth the extra money, according to an analysis by Consumer Reports.

Digging up lessons from an ancient quake

Beth Arcos picked her way through muck and pickleweed just west of the Bremerton waterfront, on the trail of an ancient earthquake and tsunami.

A magnetic monster's dual personality

(Phys.org) -- Is it a magnetar or is it a pulsar? A second member of a rare breed of dead, spinning star has been identified thanks to an armada of space-based X-ray telescopes, including ESA’s XMM-Newton. Its curious ...

NASA satellite sees strengthening in Tropical Cyclone Khanun

When NASA's Aqua satellite passed over Tropical Depression Khanun on July 15, infrared data revealed some high, strong thunderstorms that hinted the cyclone would intensify. On July 16 Khanun had indeed become a tropical ...

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