Does the ability to predict the future define the fundamental difference between living and inanimate matter?

To celebrate the centenary of the general theory of relativity we asked physicist David Tong to explain the theory and the equation that expresses it. Watch the video or read the article!

El Niño is a climate event without equal, causing droughts, floods, hurricanes and typhoons around the globe. How can we understand and predict it?

What do we know about our Universe? And could there be more than one?

General relativity, Einstein's rise to international stardom, and his legacy.

Read about the rocky road to one of Einstein's greatest achievements: the general theory of relativity, which celebrates its centenary this year.

Why the North Star tells you your latitude.

What are global coordinates?