The Huygens probe had an acoustic sensor, basically a microphone, to try to detect thunder if you actually had lightning. The acoustic sensor would sample two-second intervals in certain ...

That spacecraft -- named the Huygens probe -- was sent from Earth by the European Space Agency along with the Cassini spacecraft to help humanity learn more about Saturn and its 53 known moons.

The photos the probe took revealed some astonishing things about Saturn, its rings and moons. Scientists have watched a new band of the ring form and witnessed the changing of seasons on this gas ...