NASA picks Lockheed Martin to develop nuclear rocket

NASA and the US military said Wednesday they had selected defense contractor Lockheed Martin to develop a nuclear powered rocket, with a view to using the technology for missions to Mars.

Storming Area 51 to find aliens? Here's some science to consider

Millions of people have signed up to a tongue-in-cheek Facebook event to storm the US military base "Area 51" on 20 September to discover whether aliens are inside. While the organisers said it was a joke, the US military ...

Why is the Pentagon interested in UFOs?

U.S. Navy pilots and sailors won't be considered crazy for reporting unidentified flying objects, under new rules meant to encourage them to keep track of what they see. Yet just a few years ago, the Pentagon reportedly shut ...

Efficiency boost for robot submarines

Researchers in China have designed an improved energy-aware and self-adaptive deployment method for autonomous underwater vehicles. The team of Chunlai Peng and Tao Wang of the Guangdong University of Technology, in Guangzhou, ...

Use of drones raises questions

Drones – UAVs or unmanned aerial vehicles – are not exactly ubiquitous yet. But that future may not be far away.

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