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Stories, updates, insights, and original analysis from The Planetary Society.

NASA Names Gusev Crater Hills After Apollo 1 Crew

NASA Headquarters issued a press release late yesterday announcing that the agency is memorializing the Apollo 1 crew -- Gus Grissom, Ed White and Roger Chaffee -- by naming the hills surrounding the first Mars Exploration Rover Spirit's landing site after the three astronauts.

Spirit is "In Recovery"

Spirit stopped transmitting good data last Wednesday, but never went silent. It continued communicating with the MER team and returning good information with which the team is now working.

Mars Rover Spirit Upgraded from "Critical" to "Serious"

The specially formed Anomaly Team working overnight to unravel the mystery of what happened last Wednesday that caused the rover’s computer to fall into a reboot loop and stop functioning properly – had by this morning come up with a working hypothesis.

Second Mars Rover Opportunity Fast Approaching Mars

The second Mars Exploration Rover -- Opportunity -- Spirit's identical twin -- is approaching the atmosphere of Mars and is expected to land on the Red Planet tonight around 9:06 p.m. Pacific Standard Time.

Titan: Arizona in an Icebox?

A week after Huygens' descent, the emerging picture of the surface of that smoggy world is of an arid, icy desert, where periodic storms of methane rain create transient rivers that wash sooty soil from icy highlands out to short-lived pools and lakes. The pools dry up -- perhaps sinking into a sandy soil of glass-like water ice -- and the Titanian desert waits for another methane storm.

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