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Mars Exploration Rovers Update: Opportunity Logs Sol 4000, Digs Spirit of St. Louis Crater

A.J.S. Rayl • May 05, 2015

After investigating some flat, light and dark toned rocks around Spirit of St. Louis Crater in April, Opportunity chalked up another milestone achievement – the 4000th sol or Martian day of surface operations.

How to Watch the Humans to Mars Summit This Week

Casey Dreier • May 05, 2015

Our friends at Explore Mars are live-streaming their Humans to Mars Summit this week, happening in Washington, D.C.

Mars Exploration Rovers Special Update: MERathon Celebrates Opportunity's Marathon

A.J.S. Rayl • May 01, 2015

MER mission ops team members joined other engineers and scientists, some who previously worked on the MER mission, to take on the challenge of a relay marathon to celebrate Opportunity's milestone achievement.

The study team at JPL Will Present their Mars Program Concept at the 2015 Humans to Mars Summit

Casey Dreier • April 17, 2015

A study team at JPL will present their humans to Mars program concept at the Humans to Mars Summit and publish it as a peer-reviewed article in the New Space Journal.

Artist's Drive: A Sol 950 Colorized Postcard

Damia Bouic • April 14, 2015

Amateur image processor Damia Bouic shares the process behind creating stunning panoramas with Curiosity images.

Curiosity update, sols 896-949: Telegraph Peak, Garden City, and concern about the drill

Emily Lakdawalla • April 10, 2015

Since I last wrote about Curiosity drilling at Pink Cliffs, the rover has visited and studied two major sites, drilling at one of them. It has also suffered a short in the drill percussion mechanism that presents serious enough risk to warrant a moratorium on drill use until engineers develop a plan to continue to operate it safely.

Field Report from Mars: Sol 3978 - April 3, 2015

Larry Crumpler • April 09, 2015

Larry Crumpler gives an update on Opportunity's exploration of Mars as it approaches the entrance to Marathon Valley.

Mars, In Depth

Bill Dunford • April 07, 2015

See the latest three-dimensional landscapes captured by the Mars Reconnaissance Orbiter.

Mars Exploration Rovers Update: Opportunity Finishes First Marathon on Another Planet and Roves On

A.J.S. Rayl • April 02, 2015

On March 24, 2015, after spending several weeks investigating some new rock types along the western rim of Endeavour Crater, Opportunity roved past 42.2 kilometers (26.2 miles) and put the first off-Earth marathon in her rear view mirror, driving the Mars Exploration Rovers mission back into the space history books.

A New Path to Mars?

Casey Dreier • April 02, 2015

A new advocacy initiative for the Society: let's get humans to Mars.

Field Report from Mars: Sol 3971 - March 26, 2015

Larry Crumpler • March 28, 2015

Opportunity reaches a marathon milestone—in more ways than one. Larry Crumpler reports on the current status of the seemingly unstoppable Mars rover.

LPSC 2015: Aeolian Processes on Mars and Titan

Nathan Bridges • March 26, 2015

Planetary scientist Nathan Bridges reports on results from the Lunar and Planetary Science Conference about the action of wind on the surfaces of Mars and Titan.

Mars Academy

Paul Hayne • March 21, 2015

A new project—"Mars Academy"—aims to expand the cosmic horizon and offer a broader sense of opportunity for at least one group of underprivileged children in an impoverished neighborhood in Rio de Janiero, Brazil.

Is the Opportunity Rover a Mission 'Whose Time Has Passed'?

Casey Dreier • March 15, 2015

The NASA Administrator declared that the Opportunity rover is a mission 'whose time has passed' and will be defunded next year. Will Congress act to save it?

A Sky Full of Stars

Bill Dunford • March 09, 2015

In pictures of the planets, the stars aren't usually visible. But when they do appear, they're spectacular.

Mars Exploration Rovers Update: Opportunity Discovers New Rock Type, Updates Flight Software

A.J.S. Rayl • March 05, 2015

From the discovery of a new rock type to a successful flight software upload that should enable the robot field geologist to regain her long-term, flash memory, Opportunity and her team delivered what turned out to be a hugely productive and memorable 133rd month on the Red Planet.

Mars Orbiter Mission Methane Sensor for Mars is at work

Emily Lakdawalla • March 04, 2015

After several months of near-silence, ISRO's Mars Orbiter Mission has released on Facebook the first data product from its Methane Sensor For Mars. Don't get too excited about methane yet: there is no positive or negative detection. The news here is that the Methane Sensor for Mars is working, systematically gathering data. They also released several new photos of Mars.

Clouds and Chasmata

Bill Dunford • February 23, 2015

New landscapes from Mars Express.

Curiosity update, sols 864-895: Drilling at Pink Cliffs

Emily Lakdawalla • February 20, 2015

Curiosity's second drilling campaign at the foot of Mount Sharp is complete. The rover spent about a month near Pink Cliffs, an area at the base of the Pahrump Hills outcrop, drilling and documenting a site named Mojave, where lighter-colored crystals were scattered through a very fine-grained rock.

Mars Orbiter Mission images Mars' moons, including the far side of Deimos

Emily Lakdawalla • February 04, 2015

Today I'm excited to show you some previously unreleased images from Mars Orbiter Mission, containing Mars' moons Phobos and Deimos.

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astronaut on Phobos
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