Ornithopters look silly. They look like something that shouldn’t work. An airplane with no propeller and wings that go flappy-flappy? No way that thing is going to fly. There are, however, a ...

To address the challenges of power management, the X Fly Ornithopter Drone features a replaceable battery system that allows for extended flight sessions. When the battery runs low, it can be ...

So-called ornithopters, which have flapping wings, offer the best of both worlds. The one seen here, named SmartBird, has a 6.5-foot wingspan and was modeled after a herring gull. It can cross the ...