While seemingly small on a human timescale, this marks the beginning of what could one day be an entirely new ocean, ...

This whole thing started around 25 million years ago when Africa began tearing ... volcanoes—a lot like those deep-sea ridges you find over 6,562 feet under water. Further south towards Tanzania ...

This rift, a tectonic fault line, marks where the Somalian and Nubian plates are slowly moving apart, setting the stage for Africa’s eventual split. Future Ocean to Form Once the continental ...