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 ...

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 ...

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 ...

Here’s how it works. SpaceX knows how to put on a show. The company launched the seventh flight test of its Starship megarocket this afternoon from its Starbase site in South Texas. The 403-foot ...

A prototype of a passenger jet meant to succeed Concorde has broken the sound barrier on its first test flight Boom Supersonic tested its XB-1 jet above the Mojave Desert in California The US ...

It was Starship's seventh test flight and the debut of an upgraded model. The mission ended with the spacecraft debris crashing into the Indian Ocean.

SpaceX mission control lost contact with the newly upgraded Starship, carrying its first test payload of mock satellites ... according to flight tracking website FlightRadar24.

SpaceX’s Starship rocket exploded just minutes into its seventh test flight, an unexpected setback after the Elon Musk-led company had made steady progress advancing the vehicle’s capabilities.

Boeing confirms it conducted a functional check flight on the third 777-9 test aircraft on Jan. 16, setting the stage for a return to flight for the aircraft’s delayed certification program.