The paleo-tectonic maps of retired geologist Ronald Blakey are mesmerizing and impossible to forget once you've seen them. Catalogued on his website Colorado Plateau Geosystems, these maps show the ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

A new controversial study suggests Earth has six, not seven, continents due to plates not breaking apart as previously ...

An astonishing 71 percent of the Earth's surface is covered by water, with oceans holding about 96.5 percent of the planet's supply. The world's major seas number five, and include the Pacific, ...