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 ...

This means that, instead of the volcanic caves previously associated with Mars’ volcanic activity, these newly discovered pits are more likely to have been created by the interaction of water with the ...