PC World - Nvidia on Monday introduced a graphics card priced at US$199 that will bring high-end gaming and Blu-ray 3D movie playback to desktops.

Hard times in the retail world have hit Facebook.

Plane stays aloft for 26 hours, reaches height of 28,000 feet

In a major triumph for alternative energy researchers and enthusiasts, an experimental, solar-powered plane Thursday successfully completed a 26-hour flight powered by 12,000 solar cells and sunlight-powered lithium batteries.

NASA Administrator Charles Bolden has named Ramon "Ray" Lugo III as director of the agency's Glenn Research Center in Cleveland, effective July 18.

NASA invites its Twitter followers to a special Tweetup with astronaut T.

NASA and its international partners, the Russia Federal Space Agency and the Japan Aerospace Exploration Agency (JAXA), have assigned four new International Space Station crews.

News Corporation, the media group headed by Rupert Murdoch, confirmed this morning that it had made an offer to take full control of BSkyB, the satellite broadcaster in which it has a 39 per cent stake.

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