Perseverance just stumbled upon one of Mars’ weirdest rocks yet—a formation covered in dark, spherical shapes with mysterious ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

And last year, Perseverance found light-colored sedimentary rocks with an uneven "popcorn-like" texture. In keeping with the appetizing analogues, these latest instances of spherules, found on a slope ...