WASHINGTON -- The deadly mid-air collision at Reagan Airport in January was years in the making, the operations manager of the DCA air traffic control tower on the night of the accident told the ...

PASADENA — Ingenuity — the Jet Propulsion Laboratory-built, drone-like helicopter that made history when it launched from the surface of Mars and conducted the first powered flight on another planet — ...

After completing 72 historic flights on Mars over three years, NASA's Ingenuity helicopter mission has ended. Originally designed as an experiment, Ingenuity became the first aircraft to operate and ...

Helicopters on Mars may sound like something from a science fiction novel — or perhaps just a typical "Doctor Who" episode. But actually, they're not fully confined to the world of sci-fi; after all, ...