A collision between two oil tankers just east of the world’s most critical oil choke point, the Strait of Hormuz, could bring about a potential environmental disaster, Greenpeace said on Thursday. The ...

About 70,000 years ago in Africa, humans expanded into more extreme environments, a new study finds, setting the stage for our global migration.

In 1822, freed Black Americans began resettling in a colony on the west coast of Africa. But the idea was controversial: Was ...