An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has found. Scientists investigating the Red Planet’s mind-boggling cave system ...

Mars, once home to liquid water, may have experienced similar processes. The researchers behind this study suggest that ancient Martian water likely dissolved carbonate- and sulfate-rich rocks, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...