The formation of a sixth ocean, and the tectonic shifts that lie ahead, are proof that Earth is a dynamic, ever-evolving planet. Although these events occurred over millions of years, they remind us ...

South African photographer Shem Compion has spent more than 20 years documenting the extreme geography and diverse inhabitants of the Great Rift Valley.

In the arid deserts of Ethiopia, a geological marvel has been quietly unfolding since 2005—a 35-mile-long fissure known as ...