Spitzer gets sneak peak inside comet HolmesWhen comet Holmes unexpectedly erupted in 2007, professional and amateur astronomers around the world turned their telescopes toward the spectacular event. Their quest was to find out... — full story
A last look at Comet HolmesComet 17P/Holmes, which dazzled sky watchers with a dramatic outburst that made it visible to the unaided eye, now is fading from sight. However, before it returns to the obscurity... — full story
Hubble zooms in on heart of mystery cometNASA's Hubble Space Telescope has probed the bright core of comet 17P/Holmes, which, to the delight of sky watchers, mysteriously brightened by nearly a millionfold in a 24-hour period... — full story
Mystery comet explodes into brightnessA once-faint comet has made a sudden leap from obscurity to centre stage. Comet 17P Holmes, now visible to northern hemisphere residents, increased its brightness by a factor of one... — full story