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A New Understanding

The Planetary Report • December Solstice 2019

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

A Roundup of Dust Devil Research

Ralph Lorenz • November 02, 2015

Planetary scientist Ralph Lorenz briefs us on the current state of our knowledge on dust devils on Earth and Mars.

Why Return to the Columbia Hills?

Alex Longo • October 23, 2015 • 10

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.

Using Cardboard to Tour Mars

Scott Maxwell • June 04, 2015 • 5

Former Mars rover driver Scott Maxwell uses Google Cardboard to take a tour of the Red Planet.

Rover eyes on rock layers on Mars

Emily Lakdawalla • May 19, 2015 • 2

Digging in to mission image archives yields similar images of layered Martian rocks from very different places.

Seven Mars spacecraft attempted observations of comet Siding Spring. How did they go?

Emily Lakdawalla • November 03, 2014 • 6

It's been two weeks since comet Siding Spring passed close by Mars, and six of the seven Mars spacecraft have now checked in with quick looks at their images of the encounter. I round up all the results.

Tracks in the Wilderness

Bill Dunford • June 03, 2014

Pioneer trails extend all the way to Mars.

Intro Astronomy Class 6: Mars (continued) and Asteroids

Bruce Betts • March 14, 2014

Continue exploring Mars and learn about asteroids in this video of class 6 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy Class 5: Venus (continued) and Mars

Bruce Betts • March 06, 2014

Continue exploring Venus and begin looking at Mars in this video of class 5 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

A new map of Mars from some pretty old data

Emily Lakdawalla • March 04, 2014 • 3

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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