“Biosignatures and the Search For Life on Mars”, will be held in Iceland from 18 to 26 July 2026
The Centro de Astrobiología (CAB), CSIC-INTA, has led a study published in Communications Earth and Environment, showing that if life had ever emerged on Mars, DNA fragments could be preserved […]
Terraces near Flamencos Lagoon in the southeastern Salar de Pajonales (Chile), located at 3,517 m above sea level in the arid Altiplano, host relic gypsum stromatolites and crusts formed under […]
One of the final three candidate landing sites for the Mars 2020 mission was northeast Syrtis, along with Gusev Crater/Columbia Hills and the eventual landing site for the Perseverance rover, […]
The National Academies’ Committee on Planetary Protection is hosting a virtual meeting that will inform NASA’s efforts to develop a prioritized list of factors that contribute to the potential release […]
Atmospheric escape is an important process that influences the evolution of planetary atmospheres. A variety of physical mechanisms can contribute to escape from an atmosphere, including thermal escape, ion escape, […]
Diagenetic concretions have been identified at multiple widely separated sites on Mars, including Meridiani Planum (Opportunity), Gale crater (Curiosity), and Jezero crater (Perseverance).
This observation features an upper section of a canyon channel system that incising Mount Sharp in Gale Crater. A HiRISE image was requested as the canyon system is analogous to […]
Water activity (aw) quantifies the free water available for microbial growth. At the cellular level, liquid water is paramount for replication and proliferation. Research on Earth-like life suggests that microbial […]
This image shows many slope streaks of various orientations at fairly high latitude (for slope streaks).
