US company aims to 'harvest' asteroids

A US company said Tuesday it plans to send a fleet of spacecraft into the solar system to mine asteroids for metals and other materials in the hopes of furthering exploration of the final frontier.

Thermosolar power station in Spain works at night

A unique thermosolar power station in southern Spain can shrug off cloudy days: energy stored when the sun shines lets it produce electricity even during the night.

Panasonic releases wireless solar charging table

(PhysOrg.com) -- Most of us forget how much our cell phones are a part of the day-to-day of our lives until we don't have access to them. I'm not just talking about when you leave it at home, in a callous act of irresponsibility. ...

Spacewalking astronauts encounter bolt trouble

A spacewalking astronaut ran into trouble Sunday while trying to lubricate a joint in the life-sustaining solar power system of the International Space Station, losing one bolt and getting a washer stuck in a crevice.

UN warns against thirsty tech to solve water crisis

The world needs to better manage its freshwater resources but thirsty new technologies touted as solutions could lead to "serious problems" if left unchecked, a UN report warned Friday.

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