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 […]
Desert Worlds
Posted inMars
Mass Wasting On Mars
[NASA] Scarps such as this have either active mass wasting (landslides) or the potential for current mass wasting.
Posted inExtremeophiles and Extreme Environments
Microbial Evolution, Biogeochemical Functions, And Environmental Adaptations In A Desert Saline Lake On The Qinghai–Tibet Plateau
[biorxiv.org] The Eboliang Hu saline lakes in the hyper-arid Qaidam Basin is a high-altitude, weakly acidic hypersaline system with strong environmental gradients and limited nitrogen availability.
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 inMars
Gullies At The Start Of Martian Spring
HiRISE regularly takes repeat images of gullies to look for changes. This site is one of the most frequent monitoring sites, with more than 70 images to date. It is […]
Posted inMars
Quasi-diurnal Kelvin Wave Observed in the Atmosphere of Mars by the Pressure Sensor on the InSight Lander
[astro-ph.EP]. During the initiation phase of Martian dust storms, a spectral signature of a zonal wavenumber 1 normal mode Kelvin wave (K1) has been observed in several surface pressure records.
Posted inAnalog Studies
Offworld Astrogeology Training In Iceland
Iceland’s diverse volcanic terrain is an excellent stand-in for lunar and planetary processes and provides an ideal environment in which to simulate surface science operations. Editor’s note: when it comes […]
Posted inMars
Martian Geology: Possible Evidence Of Glacial Processes
At the southern section of the floor of an impact crater is this stunning lobate (tongue-shaped) debris apron with surface banding showing high sinuosity.
Posted inAnalog Studies
Astrobiology In A Mesophilic Tropical Country: A Database And A Review Of Analog Environments In Brazil
[Life Sciences in Space Research] Astrobiological analog environments comprise Earth-based environments that share similarities with a target setting (another planetary body or Precambrian Earth conditions) and whose defining features influence […]
![Graphical illustration showing planetary bodies (not to scale) where H2O2 has been detected, the major production pathways of H2O2, and its role in a few examples of prebiotic chemical networks. -- [Fundamental Research]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/08/Hydrogen-peroxide-1.png?resize=1200%2C716&ssl=1)
Posted inBiosignatures & Paleobiology
Hydrogen Peroxide On Mars And Icy Moons: Implications For The Search For Extraterrestrial Signatures Of Prebiotic Chemistry
[Fundamental Research]. Hydrogen peroxide (H2O2) is increasingly recognized as an important molecule in prebiotic chemistry that potentially had a large impact on life’s early evolution.