Long before science fiction made flapping-wing aircraft famous, French engineers experimented with real ornithopters. These unusual flying machines attempted to mimic birds in flight, pushing the ...

Many readers will remember the MetaFly, a remote-control robotic insect that flies by actually flapping its wings. Well, its ...

Although the US Navy has 11 nuclear-powered aircraft carriers in active service, only around half are deployed at any given time—with the rest in port or undergoing maintenance. The United States Navy ...