Seven down. Three to go. Boom Supersonic—the developer of a 64-to-80-passenger commercial airliner that flies faster than the speed of sound—last week set speed and altitude records with its XB-1 test ...

NASA built an X-42A hydrogen-powered scramjet to reach speeds of Mach 9.6 for a brief moment in 2004. Therefore, this new ...

Boom Supersonic has an impressive new speed record in its latest test flight with its XB-1. With its vision set to revolutionize air travel, this is a huge step to make things happen. The test flight ...

A supersonic jet built by Boom Technology broke the sound barrier for the first time on Tuesday, advancing its bid to resurrect high-speed passenger flights two decades after the Concorde’s demise.

The U.S. Air Force aims to develop an unmanned flying weapon by 2023 that would travel at least five times the speed of sound and might transform the nature of warfare. “The key thing is, hypersonics ...

When we talk about the speed of sound, we usually mean how fast it moves through air. But it can travel much faster through other media, and now scientists at the University of Cambridge and Queen ...

Scientists have discovered the fastest possible speed of sound, a zippy 22 miles (36 kilometers) per second. This exercise was largely theoretical: The researchers found that the answer, which is ...

Scientists have discovered the fastest possible speed of sound. A research collaboration between Queen Mary University of London, the University of Cambridge and the Institute for High Pressure ...

On its 12th test flight, the Boom XB-1 prototype broke the sound barrier three times and achieved a top speed of Mach 1.1. On its 12th test flight, the Boom XB-1 prototype broke the sound barrier ...