[NASA] The bright-colored rocks exposed across the slope, running from middle left to middle right of the image, belong to a formation the science team calls the “Broom Point member,” […]
Mars
Posted inMars
Perseverance Rover Provides A Record of Ancient Mars Impacts
[NASA] Old rocks exposed on the rim of Jezero Crater preserve a roughly 4-billion-year-old cosmic “weather report” from the solar system’s most dynamic era.
Posted inMars
Water Ice Inside A Martian Crater
[ESA] Like a sprinkle of powdered sugar on a rich red velvet cake, this scene from the ESA/Roscosmos ExoMars Trace Gas Orbiter captures the contrasting colours of bright white water-ice […]
Posted inMars
Hematite Is A Mineralogical Marker Of Ancient Climate Change On Mars
[Science via PubMed] The ancient climate of Mars changed from warm to cold surface conditions. This climate transition is demonstrated by geomorphological evidence but lacks suitable mineralogical indicators.
Posted inMeteorites & Asteroids
20 Years Later: The ALH 84001 Debate in Context with Viking’s Results. Lessons Learned and Portals Opened
[Astrobiology via PubMed] This article is an anecdotal recap of lessons learned from the ALH 84001 debate in light of the historical and recent debate over the Viking results.
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Frosty Dunes Of An Impact Crater On Mars
[NASA] This observation is one of three images requested from HiRISE at this location to monitor frost deposition, evolution and sublimation.
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Mars Exploration Program Analysis Group (MEPAG) Concerns
Editor’s note: The Mars Exploration Program Analysis Group (MEPAG) has issued a summary of Acknowledgements, Findings, and Statements of Support/Concern. Full document below.
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Gullies In The Equatorial Region of Mars
[NASA] Although gullies are most common in the middle latitudes of Mars, they are also found in equatorial regions. This image shows a 3-kilometer-wide impact crater with gullies all along […]
Posted inMars
Perseverance Astrobiology Rover – A Selfie While Working
[NASA] NASA’s Perseverance Mars rover took this selfie on March 11, 2026, the 1,797th Martian day, or sol, of the mission, during the rover’s deepest push west beyond Jezero Crater. […]