SpaceX company fixes Dragon capsule problem (Update)

Flight controllers managed to gain control of a commercial craft carrying a ton of supplies for the International Space Station after it ran into thruster trouble shortly after liftoff, but the earliest the Dragon capsule ...

Spacewalking astronauts move crane, skip shields

Two spacewalking astronauts moved a construction crane outside the International Space Station on Thursday, a cumbersome job that took so long they scrapped hanging shields to protect against space junk.

Were Twin Towers felled by chemical blasts? (Update)

A mix of sprinkling system water and melted aluminium from aircraft hulls likely triggered the explosions that felled New York's Twin Towers on September 11, 2001, a materials expert has told a technology conference.

McAfee warns of hacker threat to autos

Cars made smarter with Internet technology are zooming into perilous hacker territory, according to a report by US computer security giant McAfee.

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