A quarter century ago and thousands of miles away, a dramatic weeklong cosmic collision unfolded and helped the internet gain a foothold in people's lives. That's according to an environmental ...

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, ...

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.

Astronomy lost a towering figure on Aug. 13 when Carolyn Shoemaker, one of the preeminent comet and asteroid hunters of her generation, died at age 92. Shoemaker didn’t take the most conventional path ...

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 ...

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 ...