NASA’s Perseverance Rover has been on Mars since February 2021.

Its mission is to seek signs of ancient life and collect samples of rock and regolith for possible return to Earth, and NASA announced on Wednesday night that it seems to have discovered something very interesting indeed…

Dr. Seán Jordan is Principal Investigator in the ProtoSigns Lab & Associate Professor in Biogeochemistry and Astrobiology at Dublin City University. He joins Seán to discuss.