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 ...

New research shows that the speed of sound on Mars varies considerably by location and temperature. The findings could help scientists understand sounds picked up by Martian rovers, as well as make ...

Join us on this exhilarating journey as we explore a world where high-fives are multiplying with the speed of sound! Discover the thrilling means through which something as simple as a high-five picks ...

Jeff Bezos has reportedly bought a fourth private jet — and it carries a stratospheric price tag of $80 million. The billionaire Amazon founder last month purchased a Gulfstream G700, luxury business ...