Biochemist Martin Gruebele regularly dons a pair of headphones in his lab at the University of Illinois. But instead of music, he listens to a cacophony of clinking, jarring noises — as if a group of ...

The microphone aboard Mars Rover Perseverance has captured a number of interesting noises in its explorations, but for the most part, “a deep silence prevails” on the red planet. You can still hear ...