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

A New Understanding

Abigail Fraeman examines how the Mars Exploration Rovers, Spirit and Opportunity, changed our view of Mars.

The Mars Exploration Rovers Update: The Final Report

It’s a fall afternoon at Endeavour Crater. The summer winds finally lost their energy and the dust storm season is over. But there are no more signals coming from Earth. No more comm sessions with the orbiters. Nothing like it used to be.

The Bounty of Iron Meteorites Found on Mars

Something new and wonderful appeared in the Meteoritical Bulletin Database—an entire listing of meteorites found on Mars by robotic rovers and their science teams from the years 2005–2017.

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