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Zero Dollars for 2016: Two Stalwart Planetary Missions Face a Troubling Future

Casey Dreier • October 19, 2015 • 7

In its 2016 budget request, the White House inexplicably proposed to end two active, scientifically productive planetary missions: the Mars Exploration Rover Opportunity and the Lunar Reconnaissance Orbiter.

Mars Exploration Rovers Update: Opportunity Rocks on Ancient Water During Walkabout

A.J.S. Rayl • October 02, 2015 • 1

Opportunity continued her walkabout around Marathon Valley in September and sent home more evidence of significant water alteration and, perhaps, an ancient environment inviting enough for the emergence of life.

Mars Exploration Rovers Update: Opportunity Digs Marathon Valley Walkabout

A.J.S. Rayl • September 03, 2015

Opportunity drove farther into Marathon Valley in August, dug into what appears to be a water-altered rock, and took a lot of picture postcards in what is turning out to be a distinctively different site from any that the mission has found since the robot field geologist landed in 2004.

Field Report from Mars: Sol 4119 - August 26, 2015

Larry Crumpler • August 26, 2015

Opportunity is moving down into a large valley that cuts through the rim of Endeavour crater, into some interesting scenery.

What's up in solar system exploration: August 2015 edition

Emily Lakdawalla • August 10, 2015 • 5

I'm back from two weeks' vacation, so it's time to catch up on the status of all our intrepid planetary missions, from Akatsuki to the Voyagers and hitting the Moon, Mars, asteroids, comets, and Saturn in between.

Mars Exploration Rovers Update: Opportunity Enters Marathon Valley, Begins Walkabout

A.J.S. Rayl • August 03, 2015 • 4

Nearly seven Earth years after Opportunity set its sites on Endeavour Crater, the rover cruised into Marathon Valley, the once-but-a-dream destination.

Field Report from Mars: Sol 4060 - June 26, 2015

Larry Crumpler • July 29, 2015

Larry Crumpler gives an update on the Opportunity rover's activities in Spirit of St. Louis crater.

Mars Exploration Rovers Update: Opportunity Phones Home after Conjunction Healthy, Ready to Rove

A.J.S. Rayl • July 02, 2015 • 1

After three weeks of being in a communications blackout on the other side of the Sun during the Earth-Mars solar conjunction, Opportunity phoned home, reporting that she is healthy and ready to continue her mission.

Field Report from Mars: Sol 4039 - June 4, 2015

Larry Crumpler • June 12, 2015

Larry Crumpler gives an update on the Opportunity rover and plans for its upcoming journey after solar conjunction.

Mars Exploration Rovers Update: Opportunity Tours Spirit of St. Louis Crater

A.J.S. Rayl • June 03, 2015 • 1

Opportunity spent a mostly merry month of May on Mars touring Spirit of St. Louis Crater, stopping at science targets named in honor of Charles Lindbergh and the incredible flight he took 88 years ago.

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