Stunning new photographs of the Grand Canyon captured from orbit by Nasa astronaut Jessica Meir are drawing widespread attention online, with viewers comparing the ancient landscape to a vast network ...

Anyone standing on the rim of the Grand Canyon is usually drawn to what they can see: the immense cliffs, the shifting colours of the rock, and the vast distances stretching towards the horizon. Yet ...

Antelope Canyon might be the most visited and photographed slot canyon in the world, but there is more to this ancient sandstone structure than meets the eye. Formed millions of years ago, and revered ...