Computer models used to forecast climate change on Earth have been validated on Mars, astronomers reported on October 16,

 
Computer models used to forecast climate change on Earth have been validated on Mars, astronomers reported on October 16,
In this undated orbital photos from NASA Mars Reconnaissance Orbiter, this closeup view shows chevron texture on riverbed floor, indicating how the ice-rich material flowed fastest in the middle and was retarded along the channel walls. REUTERS/NASA/JPL/Handout