We asked Charles PeÃ±a, senior defense policy analyst at the Cato Institute, to explain why he thinks putting weapons in...
The White House backs a remarkable boost in space-based war technology. Here's the blueprint.
Astronaut Sally Ride worries that space-based military ops will create "space junk."
The Navy's new little SWARM drones will survey, report, even possibly attack-working as an intelligent group.
Space travel: American rocketeers hope to reignite business.
Inventors long promised that a cheap, easy-to-fly helicopter was nigh. Can Woody Norris finally bring one to market?
Video of the AirScooter in flight.
Scientists had long thought matter could be squashed no more tightly than in neuron stars, but now some suspect they...
That was the easy part. Landing it ... not so easy.
A new craft hightails it to Comet Encke.
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