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Mars' valley networks tell us of a dry, then wet, then dry Mars

Emily Lakdawalla • September 10, 2013

Was there rainfall on Mars? Recent work mapping valley networks suggests there probably was -- but only for about 200 million years. What does this mean for life, and the Curiosity mission?

Curiosity update: AutoNav toward Mount Sharp, sols 373-383

Ken Herkenhoff • September 05, 2013

From sols 373 to 383 (August 23 to September 3, 2013), Curiosity traveled about 250 meters toward Mount Sharp over five drives, trying out her new AutoNav capability.

Mars Exploration Rovers Update: Opportunity Begins Science at Base of Solander

A.J.S. Rayl • September 04, 2013

There wasn't a dull moment for the Mars Exploration Rover mission in August as Opportunity drove up to the base of the Solander Point section Endeavour Crater's eroded rim, crossed over a geological boundary between ancient eras, maneuvered through a boulder field, scooting unscathed from a near-miss with a rock that could have ended it all, and at month's end delivered her team to what looks to be another scientific gemstone on the Red Planet.

Looking back at Mariner images of Mars

Emily Lakdawalla • September 03, 2013

Bruce Murray was an early advocate for the inclusion of cameras on planetary spacecraft. As a tribute to him, I thought I'd take a look at a few of the images from the early Mariner missions to Mars.

Mars, Old and New: A Personal View by Bruce Murray

Jennifer Vaughn • September 03, 2013

An interview with Bruce Murray from 2001 about his perspectives on Mars science and exploration: past, present, and future.

Updates on Curiosity from Ken Herkenhoff: Embarking for Mount Sharp (sols 326-372)

Ken Herkenhoff • August 23, 2013

United States Geological Survey scientist Ken Herkenhoff posts regular updates on the Curiosity science team's plans for the rover on Mars.

A special Phobos eclipse

Emily Lakdawalla • August 20, 2013

Those sneaky scientists on Curiosity managed to catch a Phobos transit of the Sun with one set of cameras, and to watch its shadow darkening the surface with another. COOL!

Field Report From Mars: Sol 3397 - August 13, 2013

Larry Crumpler • August 18, 2013

Opportunity arrived at the base of the next segment of the Endeavour crater rim and is now investigating the contact.

A Turn of the Kaleidoscope

Bill Dunford • August 12, 2013

New images from Mars.

Mysterious tides in the Martian atmosphere

Armin Kleinboehl • August 07, 2013

Observations made by the Mars Climate Sounder, an instrument aboard NASA’s Mars Reconnaissance Orbiter, have revealed new information about atmospheric tides on the Red Planet.

Field Report From Mars: Sol 3385 - August 2, 2013

Larry Crumpler • August 06, 2013

This week Opportunity finished up a quick investigation of the strange rocky terrain out here in the plains where it is approaching the next mountain rim segment of Endeavour crater, Solander Point.

One Year on Mars: My Favorite Moments from Planetfest 2012

Casey Dreier • August 06, 2013

It seems like it was just yesterday that 2000 people gathered in the Pasadena Convention Center to celebrate Curiosity's landing on Mars. All of Planetfest 2012 is online for your enjoyment.

The Ancient Snows of Mars on Planetary Radio

Mat Kaplan • August 06, 2013

Kat Scanlon tells Planetary Radio that Hawaii and Mars have more in common than you might think.

Mars Exploration Rovers Update: Opportunity Celebrates Milestones, Arrives at Solander Suburb

A.J.S. Rayl • August 05, 2013

The Mars Exploration Rovers (MER) mission Opportunity celebrated the 10th anniversary of its launch on July 7, 2003, and then went on to complete the last leg of its 2 km trek from Cape York to Solander Point. But just before the robot field geologist pulled onto the actual base of the ridge where it will spend its sixth Martian winter, Mars lured the team off the path with some of the weirdest Martian rocks the scientists have seen yet.

TODAY at 4pm PDT: Google+ Hangout, Celebrate Curiosity's First Year on Mars with Deputy Scientist Ashwin Vasavada

Casey Dreier • August 05, 2013

It was just one year ago that Curiosity had her dramatic landing on the surface of Mars. Emily Lakdawalla and I will interview the Deputy Project Scientist of the Curiosity mission, Ashwin Vasavada, about the successes of the past year and the what to look forward to in the next

Keeping up with Curiosity, almost a year after landing

Emily Lakdawalla • August 01, 2013

It seems like my attention wandered for just a moment, and all of a sudden Curiosity is really on the road. She's racked up drive after drive, methodically eating up the terrain between here and her goal: the ancient rocks at the foot of Mount Sharp.

Happy 32! Happy New Mars Year!

Emily Lakdawalla • July 31, 2013

They're too far apart to have a party, but today Curiosity and Opportunity could have rung in the New Mars Year. Today Mars reached a solar longitude of zero degrees and the Sun crossed Mars' equator, heralding the arrival of spring in the northern hemisphere and autumn in the southern hemisphere.

Terra Cognita

Bill Dunford • July 29, 2013

Pushing back the frontier, and filling in the blank spaces on the map.

The Mars 2020 Rover In-Depth

Van Kane • July 27, 2013

We now know the science goals for NASA’s next major Mars mission. The new rover will further the astrobiological search begun by the Curiosity rover and store samples for eventual return to the Earth, providing a stepping stone to the next stage of Martian exploration.

Field Report From Mars: Sol 3378 - July 25, 2013

Larry Crumpler • July 26, 2013

We are now only about 180 meters from the new mountain, Solander Point. We slowed down this week so that we could check out the rocks here where there is a strange hydration signature from orbital remote sensing.

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