Scientists have detected sounds high in Earth's atmosphere that can't be identified. A solar-powered balloon mission launched by researchers from Sandia National Laboratories carried a microphone to a ...

In 1947, Chuck Yeager flew the X-1, an experimental rocket plane, over Rogers Dry Lake in Southern California and broke the sound barrier for the first time. To pull it off, he had to fly his plane at ...

Scientists are picking up on some strange sounds in the second layer of our atmosphere that they haven't heard anywhere else. The stratosphere is a relatively calm layer of Earth's atmosphere, rarely ...

April 1 (UPI) --Data from NASA's Perseverance Rover has given scientists their first clear picture of how sound travels on Mars' surface. The Red Planet's thin, cold atmosphere, made of mostly carbon ...

A new study based on recordings made by the rover finds that the speed of sound is slower on the Red Planet than on Earth and that, mostly, a deep silence prevails. Listen closely to sounds from Mars, ...

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