Solar spyplane stays up for two nights
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Needs no fuel, only money British wartech-spinoff firm Qinetiq says its solar-powered robot plane has stayed up for 54 hours, surviving the hours of darkness on energy stored in lithium-sulphur batteries.â¦
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In this farming community where nightfall usually brings clear, starry skies, residents are abuzz over reported sightings of what many believe is a UFO.
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A sea-going robotic glider that harvests heat energy from the oceans is tested by US scientists.
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Stay awake for long enough tonight and you will witness one of the sky&#39;s most amazing natural phenomena - a total lunar eclipse.
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Forget safeguarding hazardous waste -- can nuclear plant guards even stay awake?
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A sweltering heat wave lingering over  the U.S. Northeast was expected to boost power consumption to  record levels for the second day in a row on Wednesday.
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Airspace bar from surface to 'unlimited' altitude The US military has issued a warning notice barring flights above a large area of the northern Pacific for two and a half hours early on Thursday morning. The stricken spy satellite marked for destruction by US warships will pass over the taped-off area just at this time, indicating that the first shot will take place then.â¦
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A US spy satellite has gone out of control and is due to crash to Earth within two months, US sources say.
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When NASAâs Genesis solar-wind sample return capsule skyrockets from space next week and drops into the Utah Test and Training Range, that landmark in civilian space draws upon a once classified satellite snooping program.
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Plus: Heathrow airport using 'see through clothes' scanner on passengers.
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Control towers at some airports could go dark between midnight and 5 a.m. under a cost-cutting plan the government is considering.
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During the next week, a wayward U.S. spy satellite will make passes across North America and western Europe soon after sunset and should be easily visible to the unaided eye.
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Cold and cloudy weather has threatened to scuttle a planned blastoff for the space shuttle Discovery, two days after calling off a launch at the last minute due to low-lying clouds.
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BRECKENRIDGE, Colorado &#150; The deployment of space platforms that capture sunlight for beaming down electrical power to Earth is under review by the Pentagon, as a way to offer global energy and security benefits &#150;  including the prospect of short-circuiting future resource wars between increasingly energy-starved nations.
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Last week in Boulder, Colorado, scientists converged on the &quot;Living With A Star&quot; workshop to share the latest research in solar physics. At one point,  nearly 200 participants sat slack-jawed as they watched a new movie recorded by Japan's Hinode spacecraft showing a sunspot emerging from the depths of the sun.
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The surface of one of the brightest stars in the night sky is imaged by scientists.
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By MIKE SCHNEIDER CAPE CANAVERAL, Fla. - After almost 50 start-and-stop commands, dozens of engineering huddles and seven hours of working on the task, NASA decided on Wednesday to leave a 115-foot solar wing on the international space station halfway retracted.