Discovered by accident, Movile Cave is one of the most hostile environments on Earth—and one of the richest in unique lifeforms. Sealed off from the atmosphere, it evolved in isolation, giving rise to ...

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, ...

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 ...