New scaling law predicts how wheels drive over sand

When engineers design a new aircraft, they carry out much of the initial testing not on full-sized jets but on model planes that have been scaled down to fit inside a wind tunnel. In this more manageable setting, they can ...

NASA's Curiosity rover to be back online next week

NASA's Curiosity rover, which has been exploring Mars since it landed to much fanfare last August, should be running at full capacity next week, after a memory glitch set the robot back.

Mars rover Curiosity prepares for test drive (Update)

Scientists on Tuesday prepared to send Curiosity on its first test drive over the billion-year-old rocks of Mars and said a busted wind sensor won't jeopardize its mission of determining whether life could exist there.

Balls, blocks, cars among high-tech toys at CES

Balls, blocks and miniature cars with a high-tech twist were among the toys at the Consumer Electronics Show -- although at prices only adults who are still children at heart may be able to afford.

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