'Area 51' exists, but no UFOs: CIA paper

A newly declassified CIA document confirms the existence of famed Area 51 in Nevada, but conspiracy theorists will be disappointed the spy agency offers no proof of alien spaceship landings in the desert.

ENASA satellite finds Earth's clouds are getting lower

(PhysOrg.com) -- Earth's clouds got a little lower -- about one percent on average -- during the first decade of this century, finds a new NASA-funded university study based on NASA satellite data. The results have potential ...

Extinct human cousin gave Tibetans advantage at high elevation

Tibetans were able to adapt to high altitudes thanks to a gene picked up when their ancestors mated with a species of human they helped push to extinction, according to a new report by University of California, Berkeley, ...

Facebook ready to test giant drone for Internet service

Facebook says it will begin test flights later this year for a solar-powered drone with a wingspan as big as a Boeing 737, in the next stage of its campaign to deliver Internet connectivity to remote parts of the world.

Skydiving on Saturn

Daredevils regularly bail out at high altitude to skydive through Earth’s atmosphere but what would it be like to skydive on Saturn?

Orion Crew capsule targeted for 2014 leap to high orbit

NASA is on course to make the highest leap in human spaceflight in nearly 4 decades when an unmanned Orion crew capsule blasts off from Cape Canaveral, Fla., on a high stakes, high altitude test flight in early 2014.

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