On a battered rock in an ancient Martian riverbed, a pattern of dark, rounded patches has jolted planetary science. These “leopard spots” do not just look strange, they line up uncannily with what ...
ANU Astrophysicist and Cosmologist Dr Brad Tucker discusses how NASA’s Perseverance Rover has discovered signs of life in the form of “leopard spots” or remnants of bacteria and single-celled ...