A Sixth Ocean Is Forming as East Africa Splits Apart
Since 2005, a 35-mile-long crack known as the East African Rift has been forming. In the scorching deserts…
Ancient teeth unlock million-year-old secrets of where early humans evolved
Teeth are like tiny biological time capsules. They tell stories about ancient diets and environments long after their owners…
Fossils show two types of ancient human ancestors lived at the same place and time. One was possibly an unknown species
Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of…