In new photos, the X-59 performs afterburner tests at Lockheed Martin's legendary Skunk Works facility in Palmdale, ...

The record-breaking NASA/USAF X-15, the fastest plane ever built, could blaze through the skies at a staggering 4,520mph, ...

Planes that fly faster than the speed of sound create thunderous supersonic booms. But with NASA's X-59 plane, that could ...

For nearly a decade, the X-15 - the fastest flying manned aircraft ever made - completed 199 missions at record breaking ...

The National Aeronautics and Space Administration’s (NASA) first all-electric aircraft, the X-plane, is ready for ground tests. Officially called the X-57 Maxwell, the success of the aircraft ...

The few full-scale piloted X-Planes of the 21st century have largely been prototypes for new military fighter jets rather than scientific research aircraft. But thanks to a commitment from NASA ...

Unexplained 'metallic orbs' once buzzed past a former NASA astronaut's plane as he was flying at around 9,000 feet, he said. American Leroy Chiao, who was the 196th NASA astronaut to fly in space ...

An curved arrow pointing right. Big rockets require a big mode of transportation, which is why NASA has the "Super Guppy." It's a massively large cargo plane designed to carry other planes ...