From Durmitor and Theth to São Miguel and Snæfellsnes, these lesser-known European destinations deliver dramatic trails, ...

Africa is gradually splitting along the Great Rift Valley, a process driven by Earth's mantle heat. This continental separation will form new oceans. Over millions of years, these drifting landmasses ...

Scientists warn that a crack in Africa could create giant mountains in the future that could surpass the Himalayas.

If you’ve ever wanted to visit another planet without leaving Earth, Fort Rock State Natural Area near Fort Rock, Oregon, is ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Himalayas formed one of the most glamorous and youngest ranges in the world. They lie between the Indo-Gangetic Plains, in the south and the Tibetan Plateau, in the north to create a natural barrier ...

The well-known Mount Kīlauea Volcano erupted for the 43rd time on Tuesday in Hawaii, and people in the area are being advised ...

What makes the Lassen Peak Trail particularly special is its location within Lassen Volcanic National Park, which remains ...

Witwatersrand Basin in South Africa, since the Archean Eon which is roughly 2.7 billion years old. This isn’t just an ordinary heap of debris sitting .

Welcome to the Last Chair with Jack O’Brien, a new backpage-style column that will focus on human-interest stories and ski ...