[astro-ph.EP] The surface of Ceres exposed to the space environment will be gradually altered, but the evolution of its spectral properties remains poorly understood. Here we analyze visible and infrared […]
Mapping, Geodesy, Cartography, Bathymetry
Posted inMars
Hints of Clay On Mars
CRISM multispectral mapping data show strong clay (phyllosilicate) and pyroxene spectral signatures in different locations in and around this impact crater. Enhanced color can also help us to distinguish compositional […]
Posted inMars
SkyFall Astrogeology/Astrobiology Droids Will Survey Mars
[NASA]. Equipped with four instruments each, the three SkyFall Mars helicopters helicopters will follow in the footsteps of the agency’s Ingenuity Mars Helicopter, a technology demonstrator that flew 72 times […]
Posted inRobotics/Rovers/UAVs
Alta-X Drone Tests Future Astrobiology / Astrogeology Droid Technology
[NASA]. An Alta-X drone flies an advanced guidance and navigation system known as the Safe and Precise Landing – Integrated Capabilities Evolution (SPLICE) experiment.
Posted inMars
Landforms In Ares Vallis Carved Out By Ancient Water Flow
[NASA]. Ares Vallis is a large valley that was carved billions of years ago by water flowing across the surface of Mars.
Posted inMars
A Martian Horizon Last Monday Afternoon
This panel of two images was taken by Mars Perseverance rover at Jezero crater on Sol 1965 using its Left Navigation Camera (Navcam) The camera is located high on the […]
Posted inMars
Mars Curiosity Reaches 1-Kilometer Elevation Gain
[NASA]. NASA’s Curiosity Mars rover reached the pinnacle — so far — of its 14-year-old mission on Aug. 26, 2026, when it marked an elevation gain of 1 kilometer in […]
Posted inExtremeophiles and Extreme Environments
Rethinking The Origin Of Life At Seafloor Hydrothermal Vents
[PNAS] Alkaline vents have dominated a class of hypotheses for the origins of life since their discovery a quarter of century ago, but advances in understanding the nature of these […]
Posted inMars
Miraflores Butte On Mars
[NASA] NASA’s Curiosity Mars rover captured this sand-capped butte, nicknamed “Miraflores,” estimated to be about 20 feet (6 meters) tall, with its Mast Camera, or Mastcam, on June 11, 2026, […]
Posted inWater/Hycean Worlds & Oceanography
Ocean World Exploration: 2026 American Samoa ROV + Mapping Exploration
[NOAA]. Most of the 13,581-square-mile National Marine Sanctuary of American Samoa lies far below the sunlit coral reefs visible from shore. Its protected waters include deep seamounts, abyssal plains, deep-sea […]