Scientists have been investigating colossal structures that exist deep inside of Earth's mantle beneath Africa and the Pacific Ocean.

India and Asia crashed about 55 million years ago, slowly giving rise to the Himalaya, the highest mountain system on Earth. As the mash-up continues, the mountains get higher. Mount Everest ...

Vittorio Sella was a pioneering Italian photographer whose work at the turn of the 20th Century shaped both mountain photography and mountaineering history. His rare images of the Himalayas remain ...

The Matterhorn, Mont Blanc and the splendour of the Alps celebrated in this video filmed for the 'Mountains' episode of the BBC documentary Planet Earth II. "Attention. We have a #PlanetEarth2 ...