NASA Administrator Bill Nelson will fly in Electra's hybrid-electric EL-2 Goldfinch, an experimental aircraft prototype known for its ultra-short takeoffs and landings using blown-lift propulsion.

These are an ongoing series of extraordinary aircraft existing at the extreme cutting edge of technology. The “X-planes” are radical, often bizarre, machines that push the boundaries of what is ...

An aircraft capable of hitting 4,520 mph (nearly seven times the speed of sound) is ludicrous to even think about, but the North American X-15 achieved this, defying comparison to any other aircraft ...