Writer and archaeologist Mike Pitts digs up clues to the mystery of the circle's long-lost stones.

Bell Geospace is collecting information for geological maps during flights that will be 200m high.

Reaching the geothermal energy far beneath our feet will require digging further into the Earth's crust than ever before.

These giant rocks could roll at any moment. The fact they haven't offers a window into the shaking of ancient Earth.

Visit Jersey thinks individual sites might be worthy of geopark status and wants suggestions.

Ninety-nine percent of the world's digital communications rely on subsea cables. Fixing them keeps us all connected – and has changed our understanding of the ocean.

Arching over 8,849 metres (29,032ft) into the sky, Everest is the world’s tallest mountain. But will it always be?

To understand the life that might survive deep below Mars' surface, we can look to some of the deepest, and oldest, forms of living organism on our own planet.