Luke and Mike Bell, a father-son duo from South Africa, have reclaimed the Guinness World Record for the fastest quadcopter ...

Luke and Mike Bell’s Peregrine 4 achieved the milestone barely a month after it was taken from them.

DARPA, the Pentagon’s research division, just revealed a speed demon quadcopter that flies 45 miles an hour. It’s like a cheetah drone. I can’t stop watching glorious footage of this glorious cheetah ...

The best quad exercises are those that strengthen your upper leg muscles and create a steady foundation for your whole body. Quads are an extremely important group of muscles that help you raise your ...