Weapon instantly injects a freezing cold ball of compressed gas, approximately the size of a basketball, into the unlucky recipient.
Two studies suggest distant worlds have atmospheres with water, but some aren't places you'd want to visit anytime soon.
A once-in-a-lifetime find yields a 100-million-year-old piece of history featuring a fossilized spider attacking a wasp caught in its web.
A Japanese professor comes to the aid of a friend who's been repeatedly stung by wasps, building a ladder-climbing robot to kill the pests.
Full production planned for Wasp III MAV.
The town of Gadsden, Ala., has 100,000 inhabitants and two UAVs. The police chief says he has no idea why, even though they've been there for two years. He claims they've never been used.
Scientists estimate there are around 500,000 near-Earth asteroids the size of 2012 DA14, and less than 1 percent have been discovered.
This week, we joined a "Gangnam Style" flash mob, repelled water with our bodies, and voted for a video game hero for president.
This "teaser" game tests your running, jumping, and shooting skills. It gets old fast, but it sure is fun while it lasts.
It gets funding from DARPA to build an insect-size device that would conduct recon and surveillance operations indoors and out.