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 ...

IT WAS, we wrote on 23 July 1994, the astronomical event of the century: the first time we had ever had advanced notice of a collision between a comet and a planet. And it lived up to its billing.

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 ...

The recent discovery of an asteroid seemingly on a near-collision course with Earth has heightened awareness of the real risk to our species and civilization posed by asteroids and their spectacular ...

Strange formations in the rings around Saturn and Jupiter are the telltale marks of dramatic comet impacts that occurred in the last few decades, two new studies suggest. Subscribe to read this story ...

In 1994, a comet collided with Jupiter. But, even before that fatal collision, the comet was exceptional for something else: the tool that had first discovered it a year earlier. io9’s comment of the ...

Carolyn S. Shoemaker, the world’s most successful living “comet hunter,” will speak at Cornell University Sunday, April 21, at 1 p.m. in the David L. Call Alumni Auditorium, Kennedy Hall. The talk is ...