Tucson-based Raytheon Missiles & Defense and partner Northrop Grumman successfully completed a key flight test of a hypersonic missile being developed for the Defense Advanced Research Projects Agency ...

Built around NASA’s pioneering scramjet technology, the X-51 Waverider was designed to reach hypersonic speeds above Mach 5, promising the ability to strike targets across continents within minutes.

The Air Force’s X-20 Dyna Soar Mach 20 Mistake? -In the late 1950s and early 1960s, the U.S. Air Force pursued the X-20 ...

The Air Force refueling tanker was flying without its location transponder activated and could not be detected by air traffic ...

US propulsion start-up Beehive Industries has completed high-altitude testing of its developmental Frenzy turbojet and plans ...

A Cessna C550 crashed while landing at the city-owned airport in Statesville, according to the Federal Aviation ...

A business jet with six people on board crashed while landing at an airport in Statesville, North Carolina, authorities say.

Federal investigators are trying to determine why a business jet carrying retired NASCAR driver Greg Biffle and six others crashed shortly after takeoff in North Carolina.

Unusual drag chute deployment caught on camera over Fort Worth. A photographer in the Fort Worth area captured a rare and unusual incident on Dec. 11, ...

Biffle, his family and three others all died when the Cessna C550 jet they were on experienced engine problems and crashed ...

Retired NASCAR driver Greg Biffle, his wife, and their two children are among the seven people killed in a plane crash in North Carolina.

Travelers around the United States faced delays at major airports during the busy holiday weekend, as winter weather disrupted airlines' schedules and software issues temporarily grounded a popular ...