Watch as I try to add some holiday magic by flying a toy helicopter Santa to adjust the Christmas tree star. Things didn’t ...

The hard-working, multi-role Piasecki H-21 helicopter, known as the "Flying Banana," was the brainchild of Frank Piasecki, who founded the P-V Engineering Forum alongside his college buddy, Harold ...

An unmanned, oval-shaped craft from flying taxi maker EHang hovers, whirring noisily like a mini-helicopter over a riverside ...