At first, NASA was only gathering sounds from Mars, and it is through the many missions of Perseverance and Ingenuity that they were able to capture this in a first-hand experience. The in-depth study ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. We know ...

The government received a number of comments both for and against driver-selectable low-speed EV sounds. Vehicles capable of operating silently are required by law to emit sounds at speeds up to 19 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Sound waves travel at approximately 750 mph at sea level, but slow down at higher altitudes. The speed of sound is called "Mach 1." Supersonic refers to speeds from Mach 1 to Mach 5 (1 to 5 times the ...