NASA plans to send a helicopter to Mars
A small, autonomous helicopter could soon soar above the rusty rocks of Mars. The Mars Helicopter is hitching a...
Smog-fighting helicopters in Delhi grounded - due to smog
Delhi has been battling choking smog, prompting doctors to declare a public health emergency. The government came...
AeroVelo's Human-Powered Helicopter May Be On Track to Win the $250,000 Sikorsky Prize
The Atlas helicopter, designed and built by Canadian team AeroVelo, might be the firsthuman-powered helicopter...
