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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

A (Difficult) Day in the Solar System

Bill Dunford • October 30, 2014 • 13

After a bad day on the launch pad, some perspective.

GSA 2014: The puzzle of Gale crater's basaltic sedimentary rocks

Emily Lakdawalla • October 23, 2014 • 15

At the Geological Society of America conference this week, Curiosity scientists dug into the geology of Gale crater and shared puzzling results about the nature of the rocks that the rover has found there.

Status update: All Mars missions fine after Siding Spring flyby

Emily Lakdawalla • October 20, 2014 • 2

All seven Mars spacecraft are doing perfectly fine after comet Siding Spring's close encounter with Mars.

Curiosity update, sols 764-781: Work complete at Confidence Hills; puzzling arm issues

Emily Lakdawalla • October 17, 2014 • 7

Curiosity spent a total of four weeks at Confidence Hills, feeding samples to SAM and CheMin several times. On two weekends during this period, the rover's activities were interrupted by faults with the robotic arm. Curiosity drove away from Confidence Hills on sol 780, and is ready to observe comet Siding Spring over the weekend.

Curiosity update, sols 748-763: Driving and Drilling at Pahrump Hills

Emily Lakdawalla • September 29, 2014 • 10

The biggest news on Curiosity of late is that the rover has drilled her fourth full drill hole on Mars! Drilling happened at a site called "Confidence Hills" on sol 759. But before she did that, she took a long series of amazing photos of rock formations at Jubilee Pass, Panamint Butte, and Upheaval Dome.

Curiosity update, sols 727-747: Beginning the "Mission to Mount Sharp"

Emily Lakdawalla • September 12, 2014 • 3

A lot has happened behind the scenes on the Curiosity mission in the last few weeks. The mission received a pretty negative review from a panel convened to assess the relative quality of seven different proposed extended planetary science missions. Then, just a week later, the mission announced big news: they have arrived at Mount Sharp.

Curiosity Rover Science Plan Slammed by NASA Review Panel

Casey Dreier • September 03, 2014 • 19

Senior review recommends continuing all major planetary exploration missions, but not without some changes.

Cool animations of Phobos transits from Curiosity

Emily Lakdawalla • August 25, 2014 • 4

Shooting video of a lumpy moon crossing the Sun and turning it into a giant googly eye is not a new activity for Curiosity, but I get a fresh thrill each time I see one of these sequences downlinked from the rover.

Curiosity update, sols 697-726: Mars thwarts driving and drilling

Emily Lakdawalla • August 22, 2014 • 2

The Mars gremlins really had it in for Curiosity this month. A computer glitch and slippery sand conspired to delay the rover's progress toward Mount Sharp. And shifting rocks proved unsafe for drilling. The rover will continue driving toward Mount Sharp, departing Bonanza King without drilling, skirting Hidden Valley along a plateau to its north.

Comet Flyby Missions for Mars Rovers

Mark Lemmon • August 21, 2014 • 2

On October 19, the Mars rovers — like their orbiting cousins — will become comet flyby missions. Comet C/2013 A1 (Siding Spring) will pass within 140,000 km of Mars.

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