A project at CalTech and NASA's Jet Propulsion Laboratory is trying to measure the carbon footprint of human activity in the Los Angeles basin. (May 13)
A project at CalTech and NASA's Jet Propulsion Laboratory is trying to measure the carbon footprint of human activity in the Los Angeles basin. (May 13)
Astronauts making a rare, hastily planned spacewalk replaced a pump outside the International Space Station on Saturday in hopes of plugging a serious ammonia leak. (May 11)
Two astronauts will make a hastily planned spacewalk Saturday to try to fix an ammonia leak in the power system of the International Space Station. (May 10)
A new wearable walking device is letting stroke victims regain their mobility. It's called Kickstart and three early adopters used it to walk across the Golden Gate Bridge on Thursday. (May 10)
A wheelchair may one not be the only option for people who cannot walk on their own. So-called wearable robots are becoming lighter and more portable. (May 9)
Oil and natural gas companies are turning to solar power as a source of electricity to provide power to remote monitoring stations after hydraulic fracturing crews have left. (May 7)
The Senate has passed a bill that could end tax-free shopping on the Internet for many shoppers. The Senate voted 69 to 27 Monday to pass the bill, sending it to the House. Some video silent. (May 6)
IBM says it has made the tiniest stop-motion movie ever - a one-minute video of individual carbon monoxide molecules repeatedly rearranged to show a boy dancing, throwing a ball and bouncing on a trampoline. (May 6)
A solar-powered airplane has taken off from Northern California on the first leg of a planned journey to several U.S. cities. The Solar Impulse left Moffett Field in Mountain View just after dawn. (May 3)
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