High above the vast African desert, an astronaut on the ISS captured a photo of the enormous extinct volcano Emi Koussi ...

From orbit, Emi Koussi’s dramatic caldera and lava-scarred slopes hint at its fiery past, while dried lakebeds and erosion ...

High above the vast African desert, an astronaut from the ISS captured a photo of the enormous extinct volcano Emi Koussi ...