Wars of future past.
Circumnavigate the globe by elevator
A new type of engine could usher in an era of affordable spaceplanes
The plan costs $50 million, but it'll be unlike any roller coaster ever built
A legendary sports-car builder engineers a featherweight, ethanol-powered supercar on skis to lead an expedition across Antarctica
The Air Force wants a new bomber equipped with 21st-century technology. That could mean stealthier surface materials and laser weapons—and...
An ambitious aircraft concept combines the speed of a plane, the agility of a helicopter and the efficiency of a...
This autonomous firefighting 'bot gets its self-preservation instinct from its (very distant) insect cousins
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