Scientists detected a potential biosignature on Mars – an astrobiologist explains what these traces of life are, and how researchers figure out their source
- Written by Amy J. Williams, Assistant Professor of Geology, University of Florida
NASA’s Perseverance rover explores Mars' Jezero Crater.NASA/JPL-Caltech/MSSS, CC BY-NCAs the Perseverance rover traversed an ancient river valley in Mars’ Jezero Crater back in July 2024, it drilled into the surface and extracted a sample from of a unique, striped rock called Chevaya Falls. The rover’s instruments then analyzed...