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.

High-resolution study on California coastal cliff erosion

The first study to analyze California's coastal cliff retreat statewide using high-resolution data has found that cliffs receded faster in the north than elsewhere in the state during the study period.

Elon Musk's SpaceX drops lawsuit against Air Force

A spacecraft company run by billionaire Elon Musk has dropped a lawsuit alleging the U.S. Air Force improperly awarded a contract to launch military satellites to a joint venture between Boeing and Lockheed Martin.

Delicate rescue saves stranded $1.7B US satellite

Air Force ground controllers delicately rescued a $1.7 billion military communications satellite last year that had been stranded in the wrong orbit and at risk of blowing up - all possibly because a piece of cloth had been ...

Virus hits US drone fleet: report

A computer virus has hit the US Predator and Reaper drone fleet that Washington deploys to hunt down militants, logging the keystrokes of pilots remotely flying missions, Wired magazine reported.

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