The United States Air Force's F-117 Nighthawk crawled so the F-22 Raptor could run. The Nighthawk was America's first invisible stealth jet, taking its first flight in 1981 and being fully ...

In 1990, the F-117 Nighthawk was the first warplane to use stealth technology. Now the B-21 Raider promises new leaps in stealth. What's changed along the way?

A nighthawk family soon will begin migrating south after weeks of inconspicuously nesting on a pile of mulch in a downtown Mankato green space filled with hostas.