News tagged with global positioning system

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US army seeks new technology to replace GPS

The US army is working to limit its dependence on GPS by developing the next generation of navigation technology, including a tiny autonomous chip, the director of the Pentagon's research agency said Wednesday.

Apr 25, 2013
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Milestone for European navigation system

Galileo, Europe's rival to the US Global Positioning System (GPS), passed a milestone Tuesday when it pinpointed its first-ever ground location, the European Space Agency said.

Mar 12, 2013
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Explainer: what is GPS?

It's a device used widely in cars, on smartphones and in fitness devices. But what exactly is GPS, and how is it able to pinpoint our exact location anywhere on Earth?

Mar 08, 2013
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20 NASA balloons studying the radiation belts

In the bright, constant sun of the Antarctic summer, a NASA-funded team is launching balloons. There are twenty of these big, white balloons, each of which sets off on a different day for a leisurely float ...

Feb 04, 2013
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