NASA's Curiosity rover snaps image of Mars horizon
NASA's Mars Curiosity rover is still traversing the Red Planet on its own, searching for evidence of past life there.
crater
NASA releases new image of impact crater on surface of Mars
A new image of the Red Planet features some other colors.
Satellite images show craters at alleged Syrian chemical weapons facilities
The Syrians say some targeted sites didn't receive any damage. Satellite images given to CNN appear to show the contrary -- extensive damage.
It's confirmed: Decorah sits on meteorite crater
It's confirmed. The city of Decorah sits atop a 470 million-year-old meteorite crater.
