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

#DPS2017: Progress report on Mars Reconnaissance Orbiter images of comet C/2013 A1 Siding Spring

Emily Lakdawalla • October 20, 2017 • 1

Three years ago, on October 19, 2014, comet C/2013 A1 Siding Spring passed within 138,000 kilometers of Mars. At the 2017 meeting of the Division for Planetary Sciences of the American Astronomical Society, we heard a progress report on Mars orbiter imaging of the comet's nucleus.

Congress gives NASA's planetary science division some love (and a Mars orbiter)

Jason Davis • July 19, 2017 • 1

The House of Representatives proposed $2.1 billion for NASA's planetary science budget, which would be an all-time high. Part of the increase would be used to start work on a new reconnaissance and communications orbiter.

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

Kevin Gill • January 25, 2017 • 6

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

Schiaparelli investigation update; crash site in color from HiRISE

Emily Lakdawalla • November 23, 2016 • 11

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 • 2

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

HiRISE coverage of the Opportunity field site, version 1.0

Emily Lakdawalla • November 18, 2016 • 1

As she did before for Curiosity, Emily Lakdawalla has searched through the HiRISE image archive for photos of the Opportunity landing site and sorted them all out so that you don't have to.

Schiaparelli crash site imaged by HiRISE

Emily Lakdawalla • October 27, 2016 • 1

Following up the detection of the Schiaparelli crash site by Mars Reconnaissance Orbiter CTX, the higher-resolution HiRISE camera has now definitively identified the locations of lander impact site, parachute with backshell, and heat shield impact site on the Martian surface.

Likely Schiaparelli crash site imaged by Mars Reconnaissance Orbiter

Emily Lakdawalla • October 21, 2016 • 8

Just a day after the arrival of ExoMars Trace Gas Orbiter and its lander Schiaparelli, Mars Reconnaissance Orbiter has taken a photo of the landing site with its Context Camera, and things do not look good.

Gullies on Mars: Wet or Dry (Ice)?

Tanya Harrison • August 17, 2016 • 1

Martian gullies were in the spotlight last week thanks to a NASA press release stating they were "likely not formed by liquid water" based on spectral results. But how does this stack up against their morphology?

Field Report From Mars: Sol 4365 - May 5, 2016

Larry Crumpler • May 13, 2016

Opportunity arrived at its current location on sol 4345 to begin investigation of an outcrop on the crest of a ridge near the west end of Marathon Valley.

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