Astrogeology Science Center

New Press Release: Massive Ice Sheets Identified on Mars!

10 January 2018

USGS Scientist Colin Dundas’ research is mentioned in yet another national USGS press release. Three months ago he startled the scientific world with evidence that seasonal dark streaks on warm Martian slopes, called recurring slope lineae (RSL), are something other than salty water. Now Dr.… Read More

Six New Sinus Names Approved for Titan

11 January 2018

The IAU Working Group for Planetary System Nomenclature approved names for six features on Titan: Genova Sinus, Dingle Sinus, Baffin Sinus, Manza Sinus, Boni Sinus, and Maizuru Sinus. For more information, see the map of Titan's North Polar Lakes and Seas in the Gazetteer of Planetary… Read More

Sizzling New Evidence on Martian Streaks

20 December 2017

In this exciting press release, USGS scientist, Colin Dundas, provides evidence that seasonal dark streaks on warm Martian slopes, called recurring slope lineae (RSL), are something other than salty water, as scientists originally thought and hoped for. Colin is also the lead author in the Nature… Read More

Sols 1909-1910: Driving “home” for the holidays

18 December 2017

Today’s planning session kicked off with an important decision about where to drive and how that will set us up for exciting science over the holidays.  After much discussion, the team decided to return to some familiar yet intriguing rocks that we explored last week, visible in the… Read More

Sol 1904-1905: Curiosity's Arm Workout

15 December 2017

I was on downlink for ChemCam on Wednesday, so I was busy analyzing the latest data while the uplink team decided what to do for sols 1904 and 1905. We had some nice data, including a gorgeous image of a finely-layered rock named "Trotternish" (shown above).The sol 1904 plan started with some… Read More

Wonder No More: Back to the Moon We Go!

12 December 2017

Inquiring minds have wanted to know if astronauts will ever go back to the Moon, and if so, when? Neil Armstrong’s words “The eagle has landed" were uttered 45 years ago. Astronauts Gene Cernan and Jack Schmitt took the most recent American steps on the Moon, in 1972. Twelve astronauts… Read More

Sols 1899-1901: SAM Evolved Gas Analysis

8 December 2017

The plan for this weekend is to finish up the investigation of Vera Rubin Ridge stop #9 and drive toward the next stop.  On Sol 1899, Mastcam will acquire multispectral observations of possibly hematite-rich outcrops at "Farr" and the Sol 1897 contact science target "Wick."  Both… Read More

Name Approved for Feature on Mars: Olympus Maculae

29 November 2017

The IAU Working Group for Planetary System Nomenclature approved the name Olympus Maculae for a group of dark spots on Mars. For more information, see Mars map MC-8 in the Gazetteer of Planetary Nomenclature.

This Software Rocks for Processing Planetary Data

22 November 2017

The Integrated System for Imagers and Spectrometers (ISIS) is one of the most reliable specialty software packages designed for cartographic and scientific processing of images acquired from NASA and other science missions. This software rocks and it’s free. Although many planetary… Read More