Green Comet 45P Makes Close Earth Flyby
Green-glowing 45P/Honda-Mrkos-Pajdusakova will make an unusually close pass by Earth on Saturday. Watch it boogie across the morning sky this week!
Explore the Night with Bob King
Comet Campaign Seeks Imagers Worldwide
Calling all imagers! Three comets will make close flybys of Earth over the next two years. Join a new pro-am effort to make the most of this rare triple play.