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?

Lockheed Martin powers on the first GPS III satellite

The Lockheed Martin team developing the U.S. Air Force's next generation Global Positioning System III satellites has turned on power to the system module of the program's first spacecraft, designated GPS III Space Vehicle ...

Major GPS III flight software milestone completed

The Lockheed Martin team developing the U.S. Air Force's next generation Global Position System III satellites has completed a key flight software milestone validating the software's ability to provide reliable and effective ...

'GPS' for indoor use

Have you ever lost your way in a large office building or on a university campus? Normal GPS systems are of little assistance in these cases. A new smartphone app shows you the internal layout of a building and helps you ...

China satellite navigation starts services to Asia

(AP)—A Chinese satellite navigation network created to eventually compete with America's Global Positioning System has started offering services to Asian users outside the country.

Microsoft Research does Cloud-Offloaded GPS

(Phys.org)—GPS reduces battery life in a smartphone or tablet, a problem that has challenged a team led by principal researcher Jie Liu at Microsoft Research. Liu has said in the past that sensing and energy are emerging ...

Judge allows evidence against man in GPS case

(AP)—A federal judge is allowing prosecutors to use evidence in a drug conspiracy conviction that had been overturned because police used a global positioning system without a warrant.

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