Mars Shows Signs Of Recent Activity

MARS PHOENIX LANDERA new analysis of carbon dioxide gas sampled in 2008 by NASA's Mars Phoenix Lander, shown in this self-portrait taken by a camera on the lander, suggests that the Red Planet may have been an active place with volcanoes and liquid water during the past 100 million years.JPL/NASA, University of Arizona, Texas A&M University

From Science News:

Carbon dioxide measurements suggest liquid water and volcanoes in past 100 million years.

New evidence suggests that Mars was much more active in the relatively recent past, with volcanoes erupting and water flowing on its surface within the past 100 million years.

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