Boom Supersonic's XB-1 jet went out in style on Monday (Feb. 10). The XB-1 broke the sound barrier three times during its 13th and final test flight, which lifted off Monday from the Mojave Air & ...

American aerospace startup Boom made history on Tuesday by breaking the sound barrier during the test flight of its Boom Supersonic XB-1 demonstrator jet. The XB-1's flight, livestreamed from the ...

The Boom Supersonic's XB-1 aircraft breaks the sound barrier, Mach 1, during a test flight Tuesday, Jan. 28, 2025, over the Mohave Desert, Calif. (Boom Supersonic via AP) It was a step toward reviving ...

Supersonic startup with big plans for Greensboro hit major milestone in 2025, unearthed new sources of funding.

NASA’s sleek and quiet supersonic jet — which is built to reach speeds of up to 925 mph without producing a loud sonic boom— soared across the California desert in its first test flight on Tuesday, ...

A civilian jet broke the sound barrier three times during a test flight in California’s Mojave Desert on Tuesday, the first time a privately developed and built aircraft has accomplished such a feat.

An aircraft developed by Boom Supersonic became the first independently funded jet to break the sound barrier this week. The XB-1 aircraft accelerated to Mach 1.05 at about 35,000 feet during a test ...