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 ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Dean Regas chats with astronomer David Levy, unpacking the discovery of the famous Comet Shoemaker-Levy 9. Listen in and find out how you can start chasing comets yourself. Looking Up is transcribed ...

What happens when a comet collides with a gas giant? In July 1994, Shoemaker-Levy 9 slammed into Jupiter in a spectacular series of 21 explosions, creating fireballs bigger than Earth itself. This was ...