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 ...

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, ...

The Ellora Caves are among the most astonishing architectural wonders of ancient India, carved from a single rock mass over 1,500 years ago. At its center stands the Kailash Temple, created using the ...