A daring journey through Ethiopia’s Afar Desert leads to Erta Ale, one of only a few volcanoes with a permanent lava lake. For days, the explorer camps beside rivers of molten rock, breathing smoke ...

This intriguing astronaut photo shows a pair of islands in the murky green waters of a major African lake. Both landmasses are home to monasteries that hold important religious relics, including the ...

Amble along the treacherously steep trails of Mount Nyiragongo looming over the city of Goma near the border of Rwanda. You’ll be welcomed with the familiar stench of sulphuric acid you might have ...