The photos taken by Curiosity's mast camera and ChemCam have led to speculation about whether the strange structures captured in the images could be the skeletal remains of a prehistoric fish-like animal on Mars.
The car-sized Curiosity rover has been cruising Mars' Gale Crater for over a decade now, traversing the unforgiving conditions of the Red Planet in hopes of finding signs of life in what is believed to be a dried-out, 3.5 billion-year-old Martian lake.
Earlier this year, the ...