Some 11.5 minutes into the flight — the 12th overall for the XB-1 — at an altitude of around 35,000 feet (10,668 meters), the test plane exceeded Mach 1, the speed of sound, marking the first ...

During the test flight, it reached an altitude of 35,000ft before accelerating to Mach 1.1 (844mph) - 10% faster than the speed of sound.

Boom Supersonic’s XB-1 aircraft broke the sound barrier for the first time ever on Tuesday, ushering in a new era of supersonic flight. The jet exceeded Mach 1 after taking off from the Mojave ...

"Teams will continue to review data from today's flight test to better understand root cause. With a test like this, success comes from what we learn, and today’s flight will help us improve ...

Though the company successfully caught the booster with giant mechanical arms at the launchpad, flight controllers lost contact with the uncrewed spaceship, which prematurely ended the test after ...

Boom, the American company building what promises to be the world’s fastest airliner, broke the sound barrier for its first time with a test flight in Mojave, California. The company’s XB-1 ...

Blue Origin’s New Glenn rocket has blasted off from Florida on its first mission to space, an inaugural step into Earth’s orbit for Jeff Bezos’s space company. Thirty storeys tall, standing ...

Teams will continue to review data from today's flight test to better understand root cause," SpaceX stated on X after the loss. "With a test like this, success comes from what we learn ...

NOT GOOD!!!” The tragic collision of an American Airlines regional jet and a Black Hawk helicopter near DC’s Reagan National Airport is an early test for both Trump and two of his newly minted ...

SpaceX is ready for the next Starship flight test, aiming to make strides toward full reusability of the launch system at the start of what promises to be a massive year for the launcher.

The Super Heavy-Starship mega rocket was launched from SpaceX’s Boca Chica, Texas, manufacturing and flight test facility at 5:37 p.m. Eastern Time on Thursday. The rocket, powered by 33 ...