Twenty-five years ago, humanity first witnessed a collision between a comet and a planet. From July 16 to 22, 1994, enormous pieces of the comet Shoemaker-Levy 9 (SL9), discovered just a year prior, ...

Composite images of comet Shoemaker-Levy 9 orbiting Jupiter in 1994. In 1993, three sky watchers — Carolyn and Gene Shoemaker and David Levy — discovered a comet orbiting Jupiter. In their honor, it ...

An unseen comet or possibly an icy asteroid apparently crashed into Jupiter's atmosphere near the giant planet's south pole sometime during the last few days, creating a "gargantuan" blemish easily ...

Lucky is the word I’d use for any telescopic observers who got to see one of the most stunning spectacles in nature when Comet Shoemaker-Levy 9 impacted Jupiter in July 1994. The collision left inky ...

Get unlimited access to ad-free articles and exclusive content. Space.com The stratosphere of Jupiter is filled with water delivered to the giant planet by a cataclysmic comet crash in 1994 that not ...