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Mars Exploration Rovers Update: Opportunity Sets Historic Distance Record and Roves On

A.J.S. Rayl • August 08, 2014

It's official: Opportunity has traveled farther and lived longer than any other vehicle on another planet, driving to a place in history with an out-of-this-world distinction no one even imagined when the robot field geologist left Earth 11 years ago.

Field Report From Mars: Sol 3737 – July 30, 2014

Larry Crumpler • August 04, 2014

Larry Crumpler updates us on the Opportunity rover, which now holds the distance record for a rover on another planet and is about to climb up its highest crater rim segment yet.

8th Mars Report: Martian habitability

Valerie Fox • July 30, 2014

Valerie Fox reports from the 8th International Conference on Mars on the habitability of the Red Planet.

Mars Exploration Rovers Update: Opportunity Nears End of Murray Ridge, Pillinger Point Christened

A.J.S. Rayl • July 03, 2014

Opportunity got off to a bumpy start in June, but the Mars Exploration Rover (MER) mission pressed on, continuing the exploration of Murray Ridge at the western rim of Endeavour Crater.

Field Report From Mars: Sol 3705 – June 27, 2014

Larry Crumpler • June 30, 2014

Opportunity has left the winter haven and is still driving south along the rim of Endeavour crater, currently exploring an outcrop a few meters from crater rim.

How CRISM picks the pixels that guide Opportunity's travels

Emily Lakdawalla • June 05, 2014

How scientists are working with CRISM, an aging but still exceptional spectrometer on Mars Reconnaissance Orbiter, to find the rocks where Opportunity's work will tell the story of ancient water on Mars.

Mars Exploration Rovers Update: Opportunity Hunts Ancient Clays along Murray Ridge

A.J.S. Rayl • June 05, 2014

At the western rim of Endeavour Crater, Opportunity spent the month of May exploring a new clayground along Murray Ridge and the Mars Exploration Rovers (MER) mission trundled into the 125th month of what was originally to be a short, 3-month tour.

Tracks in the Wilderness

Bill Dunford • June 03, 2014

Pioneer trails extend all the way to Mars.

Dust on, dust off: Before-and-after comparisons of rover decks on Mars

Emily Lakdawalla • May 19, 2014

Curiosity and Opportunity self-portraits show one rover accumulating dust, the other losing it. Check out these cool before-and-after comparisons.

Field Report From Mars: Sol 3650 – May 2, 2014

Larry Crumpler • May 12, 2014

Opportunity is closing in on the next important outcrop area on the rim of Endeavour crater.

Another Day in the Solar System

Bill Dunford • May 12, 2014

One day, five worlds.

A Martian analemma

Emily Lakdawalla • May 06, 2014

A Mars year's worth of Sun images from Opportunity demonstrates Mars' orbital motions as reflected in the changing apparent position of the Sun: the analemma.

Mars Exploration Rovers Update: Opportunity Roves to Next Clay Mine

A.J.S. Rayl • May 02, 2014

The Mars Exploration Rovers mission cruised toward the Martian spring, Opportunity is powered-up and cleaner than it has been since its first winter on Mars.

The End of Opportunity and the Burden of Success

Casey Dreier • April 15, 2014

The Opportunity rover and the Lunar Reconnaissance Orbiter are both zeroed out in NASA's 2015 budget. Learn why these missions face the axe and why the White House is forcing NASA to choose between existing missions and starting new ones.

Look how clean Opportunity is now!

Emily Lakdawalla • April 09, 2014

While climbing Murray Ridge, Opportunity enjoyed a major cleaning event that has left the rover's solar panels more dust-free than they have been in years. The rover captured a pretty panorama of the newly clean deck with its Pancams, and James Sorenson processed the version shown here.

Mars Exploration Rovers Update: Opportunity Powers Up in Cook Haven and in Fans' Minds

A.J.S. Rayl • April 07, 2014

At the Solander Point section of the rim of Endeavour Crater, Mars Exploration Rover Opportunity spent the month of March just off Murray Ridge working on its final targets in Cook Haven and dusting itself in the winds of winter, while MER mission officials on Earth were roving toward what may be the robot's current greatest potential threat – being cut from NASA's planetary science budget.

Field Report From Mars: Sol 3623 – April 3, 2014

Larry Crumpler • April 06, 2014

Larry Crumpler gives an update on Opportunity's current location, next long-term target, and excitingly increasing power levels.

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.

Mars Exploration Rovers Update: Opportunity Cruises Through Winter Solstice, Into Year 11

A.J.S. Rayl • March 05, 2014

The Mars Exploration Rover mission put its 10th anniversary in the rear view mirror in February and roved on into its 11th year of surface operations at Endeavour Crater.

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