A little over 5 million years ago, water from the Atlantic Ocean found a way through the present-day Strait of Gibraltar.

A new study reveals the modern arid desert between Africa and Saudi Arabia was once regularly lush and green with rivers and lakes over a period of 8 million years, allowing for the occupation and ...

New findings provide a greater understanding of plate subduction, or how tectonic plates slide beneath one another. This recycling of surface materials and volatile elements deep into the Earth's ...