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Curiosity update, sols 1600-1674: The second Bagnold Dunes campaign

Emily Lakdawalla • April 25, 2017

The four-stop dune science campaign offered the engineers some time to continue troubleshooting the drill without any pressure to use it for science. They scooped sand at a site called Ogunquit Beach but couldn't complete the planned sample activity because of new developments in the drill inquiry. The rover has now headed onward toward Vera Rubin Ridge.

Mars Exploration Rovers Update: Opportunity Dodges Dust Storms, Makes Tracks to Perseverance Valley

A.J.S. Rayl • April 04, 2017

After wrapping the final science investigations on the slopes of Cape Tribulation, Opportunity climbed up and over the rim of Endeavour Crater in March and embarked on the journey south toward its next science target: Perseverance Valley.

Unraveling a Martian enigma: The hidden rivers of Arabia Terra

Joel Davis • March 21, 2017

Arabia Terra has always been a bit of a martian enigma. Planetary scientist Joel Davis takes us on a tour of its valley networks and their significance in telling the story of water on Mars.

Field Report from Mars: Sol 4662 - March 6, 2017

Larry Crumpler • March 11, 2017

For nearly two years, Opportunity's world has been tilted 10–25 degrees as it drove down to the lower slopes of the wall of Endeavour Crater. Toward the end of last week, Opportunity pulled itself up and over the lip of the crater.

MAVEN dodges Phobos, with (maybe) a little help from Curiosity

Emily Lakdawalla • March 06, 2017

This week MAVEN had to execute a short rocket burn in order to prevent a future collision with Phobos. Curiosity (and other rovers) may have played a role in those trajectory predictions.

Mars Exploration Rovers Update: Opportunity Reaches Top of Endeavour Rim, Wraps Cape Tribulation

A.J.S. Rayl • March 03, 2017

Driving the Mars Exploration Rovers (MER) mission further into its fourteenth year of surface operations, Opportunity continued hiking the slopes of Cape Tribulation in February and finally reached the crest of Endeavour Crater’s western rim.

Field Report from Mars: Sol 4639 - February 10, 2017

Larry Crumpler • February 10, 2017

Opportunity has successfully clawed its way to within a few meters of the crater rim after spending the last few months climbing and the last two years inside the crater.

Field Report from Mars: Sol 4633 - February 6, 2017

Larry Crumpler • February 06, 2017

Several sols ago, Opportunity made it up and past the steepest section of its climb out of Endeavour crater.

Mars Exploration Rovers Update: Opportunity Celebrates the Big 1-3, Begins 14th Year of Ops!

A.J.S. Rayl • February 04, 2017

2017 got off to a start that was unprecedented in every good way: Opportunity completed her 13th Earth year of surface operations and drove the first overland expedition of the Red Planet into its 14th year.

Curiosity update, sols 1548-1599: Serious drill brake problem as Curiosity drives through Murray red beds

Emily Lakdawalla • February 03, 2017

Since my last update, the Curiosity mission has developed a better understanding of the problem that prevented them from drilling at Precipice, but its intermittent nature has slowed the development of a workable solution that will allow them to use the drill again. In the meantime, the rover has driven onward, making good use of its other instruments.

Need a break from Earth? Go stand on Mars with these lovely landscapes

Kevin Gill • January 25, 2017

Amateur space image processor Kevin Gill shares some of his stunning 3D images of Mars, created from real spacecraft data.

Mars Exploration Rovers Update: Opportunity Wraps 2016, Heads into 2017 Toward 13th Anniversary

A.J.S. Rayl • January 04, 2017

As 2016 came to an end and 2017 rang in, Opportunity was working the first leg of the ascent up the rugged western rim of Endeavour Crater on her way to an ancient gully, the next scientific tour de force down the road, and the mission was closing in on its 13th anniversary of surface operations coming up in the New Year.

China outlines its space exploration ambitions

Andrew Jones • December 27, 2016

China released a new white paper on its policy and activities in space, outlining ambitious deep space exploration, human spaceflight and space science projects as major priorities for the years up to 2020 and beyond.

Field Report from Mars: Sol 4588 - December 20, 2016

Larry Crumpler • December 20, 2016

Opportunity continues to climb up the inner crater wall of Endeavour crater, heading south on its journey toward its next valley target.

Planetary discovery over the past quarter century

Steven Hauck • December 20, 2016

2016 marks the 25th anniversary of the creation of what has become one of the primary venues for the publication of research in planetary science: the Journal of Geophysical Research: Planets. This occasion is a good opportunity to look back at what we have learned in this era of expanded exploration and to try to take a peek at the future.

Curiosity update, sols 1489-1547: Drilling at Sebina, driving up through Murray, drill problems at Precipice

Emily Lakdawalla • December 12, 2016

It's been a drive-heavy two months for Curiosity. Since my last update, the rover has drilled at a site named Sebina, then traveled about 500 meters to the south across increasingly chunky-looking Murray rocks to a new attempted drill site at Precipice. They were planning to attempt a new drilling technique at Precipice, but encountered a new problem with the drill instead.

Field Report from Mars: Sol 4577 - December 9, 2016

Larry Crumpler • December 09, 2016

Opportunity has begun the ascent of the steep slopes here in the inner wall of Endeavour crater after completion of a survey of outcrops close to the crater floor. The goal now is to climb back to the rim, drive south, and arrive at the next major mission target on the rim before the next Martian winter.

Mars Exploration Rovers Update: Opportunity Departs Spirit Mound, Embarks on Toughest Exit Ever

A.J.S. Rayl • December 02, 2016

Opportunity worked along Endeavour Crater's western rim through November, taking pictures, hiking slopes, and finishing work in the depths of Cape Tribulation.

Schiaparelli investigation update; crash site in color from HiRISE

Emily Lakdawalla • November 23, 2016

ESA issued an update on the Schiaparelli landing investigation today, identifying a problem reading from an inertial measurement unit as the proximate cause of the crash. Meanwhile, ExoMars Trace Gas Orbiter is operating its science instruments for the first time this week, and HiRISE has released calibrated versions of the Schiaparelli crash site images.

Subsurface Water Ice in Utopia Planitia, Mars

Cassie Stuurman • November 22, 2016

Martian radar expert Cassie Stuurman explains how the SHARAD instrument aboard NASA's Mars Reconnaissance Orbiter was used to detect buried ice deposits.

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