The surface of Mars may have been carved by microbes, possible authors of enigmatic stick structures observed in Gale Crater.

This revolutionary conclusion was reached by a multidisciplinary team of scientists led by Andrea Baucon, paleontologist at the University of Genoa, and composed of:

• Carlos Neto de Carvalho, geologist collaborator of the D Institute. Luiz at the University of Lisbon
• Fabrizio Felletti, professor of geology and sedimentology at the University of Milan
• Roberto Cabella, Professor of Geo-resources at the University of Genoa.

The full article is on UniGe.life, at the useful link.