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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

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 • 4

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 • 6

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 • 1

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

A Martian analemma

Emily Lakdawalla • May 06, 2014 • 4

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 • 3

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 • 11

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 • 1

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.

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