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

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they are most likely to be related to microbial activity ...

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled. Named "St. Pauls Bay" by the mission team, the Mars rock features hundreds of millimeter-size dark ...

In 2004, the Mars Exploration Rover Opportunity spotted similar strange spheres, so-called "Martian Blueberries", and since then, the Curiosity rover has observed spherules in the rocks of Yellowknife ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Perseverance acquired this image of the "St. Pauls Bay" target (the dark-toned float block in ...