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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.

Dawn Journal: Not-So-Quiet Cruise

Marc Rayman • August 01, 2014

Dawn's Mission Director updates us on the status of the mission, and tells us what Dawn and Star Wars have in common.

[Updated]: NASA Selects 7 Science Instruments for its Next Mars Rover

Casey Dreier • July 31, 2014

Seven science instruments will help the Mars 2020 rover identify biosignatures and understand the history of the rocks it encounters on the surface of the red planet.

NASA Announces the Suite of Science Instruments on its Next Mars Rover Today

Casey Dreier • July 31, 2014

Today marks the unveiling of the suite of science instruments that will travel to Mars to look for signs of past life and help determine samples to store for possible return to Earth. The next rover mission will launch in 2020.

Rosetta update: Long journey to a comet nearly complete

Emily Lakdawalla • July 29, 2014

A journey of nearly a decade is almost over. Rosetta is making its final approach to comet 67P/Churyumov-Gerasimenko, and the comet's strange shape is beginning to come into focus. As of today, the spacecraft is only 2000 kilometers away from the comet, and 8 days away from arrival.

Curiosity update, sols 671-696: Out of the landing ellipse, into ripples and pointy rocks

Emily Lakdawalla • July 24, 2014

For the last four weeks, the name of the game for Curiosity has been driving. But these weeks of driving have been more challenging than they used to be.

Chang'e 3 update: Both rover and lander still alive at the end of their eighth lunar day

Emily Lakdawalla • July 21, 2014

Despite the fact that it hasn't moved for 6 months, the plucky Yutu rover on the Moon is still alive. Its signal is periodically detected by amateur radio astronomers, most recently on July 19. A story posted today by the Chinese state news agency offers a new hypothesis to explain the failure of the rover's mobility systems.

New Horizons to take new photos of Pluto and Charon, beginning optical navigation campaign

Emily Lakdawalla • July 18, 2014

Technically, Pluto science observations don't begin for New Horizons until 2015, but the spacecraft will take a series of photos of Pluto and Charon from July 20 to 27 as it begins the first of four optical navigation campaigns.

Quick Rosetta update: Churyumov-Gerasimenko is a contact binary!

Emily Lakdawalla • July 15, 2014

I could not wait to post these amazing new images of comet Churymov-Gerasimenko from Rosetta. The nucleus of the comet is clearly a contact binary -- two smaller (and unequally sized object) in close contact.

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.

Rosetta’s comet is starting to take shape

Jason Davis • July 03, 2014

A new animation of 67P/Churyumov-Gerasimenko captured by the Rosetta spacecraft shows the comet rotating.

Dawn Journal: HAMO at Ceres

Marc Rayman • July 01, 2014

Dawn's chief engineer and mission director Marc Rayman gives an overview of the plan for the penultimate orbital phase at Ceres, the “high altitude mapping orbit” (HAMO).

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.

Curiosity update: One Mars Year! Sols 662-670

Emily Lakdawalla • June 25, 2014

On Monday JPL put out a press release marking one year since Curiosity landed -- one Mars year, that is! There was a new version of the Kimberley self-portrait, and a video update on wheel wear testing. While we've been celebrating on Earth, Curiosity has been driving, driving, driving, on a new "safe transit route" taking her southward toward the black sand dunes ringing Mount Sharp.

Skimming the inner planets: Updates on MESSENGER and Venus Express

Emily Lakdawalla • June 24, 2014

The two spacecraft currently orbiting the two innermost planets are both flying low in their orbits in the final phases of their missions. MESSENGER just performed a rocket burn to raise its orbit slightly, while Venus Express did the opposite.

NASA selects Planetary Society LIFE Proposal

Bruce Betts • June 19, 2014

NASA has selected a Planetary Society proposal to study accommodation of the Society’s LIFE (Living Interplanetary Flight Experiment) biomodule on NASA’s Asteroid Redirect Mission (ARM).

Rosetta completes another rocket burn, spies decreasing activity on comet

Emily Lakdawalla • June 19, 2014

Rosetta has now completed its three largest rendezvous burns as it approaches ever closer to comet 67P/Churyumov-Gerasimenko. Beginning on July 2, Rosetta will now conduct weekly burns, through August 6. Meanwhile, the cometary activity of April and May has quieted again, leaving the comet looking smaller than it did before.

Curiosity update, sols 645-661: Driving, driving, driving

Emily Lakdawalla • June 16, 2014

Curiosity has been busy. The rover has traveled more than half a kilometer since my last update, making steady progress beyond the Kimberley toward Murray Buttes. There hasn't been much time for science, but they sneaked in an observation of a Mercury transit across the sun, and a neat MARDI video of the rover driving.

The OSIRIS-REx Design Reference Mission

Dante Lauretta • June 12, 2014

This week the OSIRIS-REx team gathered at the Lockheed Martin facility in Denver to perform a “Design Reference Mission (DRM)” walkthrough. The DRM is basically the battle plan for OSIRIS-REx for accomplishing our goal of returning pristine samples from asteroid Bennu.

Mars-bound mission updates: Mars Orbiter Mission maneuvers, MAVEN detects Mars

Emily Lakdawalla • June 11, 2014

India's Mars Orbiter Mission has accomplished its second trajectory correction manuever, a small rocket burn lasting only 16 seconds. Meanwhile, NASA's MAVEN is testing out its instruments, with one obtaining "first light" on Mars.

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