Comets
Mars Gets Bombarded by 200 Small Asteroids and Comets Every Year
One of the benefits of having a spacecraft in orbit around another planet for several years is the ability to…
A New View of Comet ISON
Update: Here's a brand new image of Comet C/2012 S1 ISON, as seen on May 2, 2013 by Ernesto Guido…
Possible Meteorite Fragments from 1908 Tunguska Explosion Found
The 1908 explosion over the Tunguska region in Siberia has always been an enigma. While the leading theories of what…
Catch Comet Lemmon While You Can
If you honed your observing chops on Comet PANSTARRS this spring, consider dropping in on Comet Lemmon, now returning to the…
Comet Lemmon, Now in STEREO
An icy interloper was in the sights of a NASA spacecraft this past weekend. Comet 2012 F6 Lemmon passed through…
Hubble Telescope Captures Image of Comet ISON
Here’s our first good look at Comet (C/2012 S1) ISON. The Hubble Space Telescope captured this shot on April 10,…
New Calculations Effectively Rule Out Comet Impacting Mars in 2014
NASA's Near-Earth Object Office says that new observations of comet C/2013 A1 (Siding Spring) have allowed further refinements of the…
Comet PANSTARRS … Going … Going … Not Gone Yet!
It's falling out of the news but Comet PANSTARRS still lives! You can still see it in a clear sky…
A Detailed Look at the Coma of Comet PANSTARRS
Comet PANSTARRS has peaked, but astronomers are still keeping an eye on this comet to try and determine what its…
Comet PANSTARRS Meets the Andromeda Galaxy — More Amazing Images
More of our readers had success in capturing the awesomeness of seeing Comet PANSTARRS encounter the Andromeda Galaxy (M31) in…