For those of you rooting for the wellbeing of Mars, here's some good news: the probability of a comet impact next year has decreased. For those of you who wanted to see some planetary carnage, however, this news will be a major bummer. ->
The small chance that Comet 2013 A1 may slam into Mars in 2014 could be a scientific smorgasbord -- potentially motivating a manned expedition to the red planet. ->
A recently discovered comet will make an uncomfortably-close planetary flyby next year -- but this time it's not Earth that's in the cosmic crosshairs. ->
Comet Lemmon looks more like a lime in this photo captured by Peter Ward just south of Sydney, Australia. ->
A veteran NASA comet probe turned its sights on a new target, Comet ISON, which is barreling toward a close encounter with the sun this fall. ->
A giant harpoon is being developed to be deployed from a hovering spacecraft and take a sample from a moving comet.
Will the ESA's Rosetta comet mission have a successful "blind date" with the asteroid named Lutetia? Or will the space rock be a "High-Maintenance Asteroid with Entitlement Issues"?
An amateur astronomer wound up looking at the right place at the right time to capture the breakup of a comet. The International Astronomical Union called the observation a "major astronomical discovery."
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