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 ...

Read our coverage here. Boom Supersonic plans to break the sound barrier during a test flight this morning (Jan. 28). This would mark the first time the company achieves the feat, and you can ...

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 ...

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 ...

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 ...

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 ...

Almost 22 years after Concorde made its final commercial flights, a prototype passenger jet is attempting to break the sound barrier – and its first supersonic test flight takes off today (28 ...

TORONTO - A historic proposal that would see three major tobacco companies pay out billions to provinces and territories as well as former smokers across Canada is set to face its final test over ...

Only four players have made two scores over 300 in Test history. One of them has held the world record twice. Virender Sehwag was the first Indian to make a Test 300 when he made 309 vs Pakistan ...