Gold rush-era discards could fuel cellphones, TVs (Update)

(AP)—Across the U.S. West, early miners digging for gold, silver and copper had no idea that one day something else very valuable would be buried in the piles of dirt and rocks they tossed aside.

A brief history of nukes in space

In just a few short weeks, NASA's New Horizons spacecraft will make its historic flyby of Pluto and its moons. Solar panels are unable to operate in the dim nether regions of the outer solar system, and instead, New Horizons ...

Glitch shows how much US military relies on GPS

A problem that rendered as many as 10,000 U.S. military GPS receivers useless for days is a warning to safeguard a system that enemies would love to disrupt, a defense expert says.

US, Russia, China race to develop hypersonic weapons

Russia and China have recently touted their progress in developing hypersonic vehicles, which fly much faster than the speed of sound, which is 767 mph. Hypersonic missiles are rocket-boosted to high altitude and may be launched ...

New generation GPS satellite starts tests in Colo.

A $5.5 billion upgrade to the Global Positioning System moved a step closer to launch this week when a prototype arrived at a Lockheed Martin complex in Colorado to begin months of tests.

Nuclear expert cautions against unfamiliar new nuclear age

High-tech advances in weapons technologies and a return of 'great power nuclear politics', risk the world 'sleepwalking' into a nuclear age vastly different from the established order of the Cold War, according to new research ...

Neutron bomb inventor Samuel Cohen dies in LA

(AP) -- Neutron bomb inventor Samuel T. Cohen, who designed the tactical nuclear weapon intended to kill people but do minimal damage to structures, has died, his son said Wednesday.

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