Comet ISON comes into view

Comet ISON comes into view
Comet ISON comes into view Comet C/2012 S1 (ISON) streaks across the sky in the morning hours of Oct. 8, 2013. The image was captured by the 32-inch Schulman Telescope on Mt. Lemmon, near Tucson, Ariz. Adam Block / Mount Lemmon SkyCenter / University of Arizona

"We're changing the world. Are you in?"
- CEO Bill Nye

Sign up for email updates