Africa is gradually splitting in two. As with most geological processes, it unfolds at a glacial pace over millions of years, ...

A giant rift is slowly tearing Africa, the second-largest continent, apart. This depression — known as the East African Rift — is a network of valleys that stretches about 2,175 miles (3,500 ...

Tulane University researchers, collaborating with an international team of scientists, have discovered why some parts of Earth's crust remain strong while others give way, overturning long-held ...