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

Our New Map of Every Mars Landing Attempt, Ever

The Planetary Society has a new improved guide to all the places we've landed—or crashed—on Mars, plus planned locations for the upcoming Perseverance, Tianwen-1, and Rosalind Franklin rover missions.

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.

Mars Exploration Rovers Update: Opportunity Ventures Deeper into Perseverance

Along the western rim of Endeavour Crater, Opportunity forged onward in August vicariously taking the Mars Exploration Rovers team – along with a global contingent of mission observers all around Earth – downhill into Perseverance Valley and deeper into a new chapter in this legendary expedition of the Red Planet.

Why Return to the Columbia Hills?

Where should NASA’s next Mars rover, the Mars 2020 sample caching mission, land? One site under consideration is Spirit's old stomping ground, the Columbia Hills.

A new map of Mars from some pretty old data

The United States Geological Survey recently issued an improved version of the Viking color map of Mars. This 40-year-old data set still provides the prettiest global-scale map of the planet.

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