astrobiology.com/2026/10/07/p... #astrobiology #astrogeology #biosignatures

Delighted as always to join @dkskelly's class focused on the transformative potential of museum collections! 🦕
#fossils #museums #biosignatures
Especially intriguing are potential #biosignatures – chemical or physical indicators that could point to biological processes.
Scientists would still need to distinguish possible biological explanations from non-biological ones.