It's the stuff of fantasy: jet fuel making a dieselvehicle tak e off like, well, a jet. But what really happens if you put ...

Boom Supersonic's XB-1 made history on Tuesday by becoming the first civil aircraft to break the sound barrier. Before ...

The test flight took place in the same Mojave Desert area in California where Charles "Chuck" Yeager first broke the sound ...

The X-1 was first flown on glide tests, in Florida, after being dropped from a B-29 at 29,000 feet. It wasn’t until information collected during the glide tests was processed, and adjustments were ...

The Sea Dragon, a 490-foot behemoth, would have been built of inexpensive steel and launched from the sea, minimizing ground ...

Gulping 40,000 pounds of propellant per second, the booster climbed away from its launch stand and gracefully arced over to the east atop a long jet ... engines to reverse course and headed back ...

"As the original 'Glenn,' I can tell you I see the day coming when people will board spacecraft the same way millions of us now board jet ... Glenn's engines engaged and the huge Blue Origin ...

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

"Running the engine ... the latest updates on rocket launches, skywatching events and more! — NASA unveils its revolutionary X-59 Quesst 'quiet' supersonic jet (photos, video ...

A space-aged new pan designed by a rocket scientist from the University ... its outside inspired by heat transfer methods used in jet engines and rockets. Inventors say the fins help to more ...