An curved arrow pointing right. The To-Sua Ocean Trench is a swimming hole in a volcano's crater. People from all over the world travel to the Samoan island of Upolu to swim in the crystal clear ...

A research team from the French National Centre for Scientific Research (CNRS) and the Paris Institute of Planetary Physics (IPGP) has utilized the technique of medical imaging and optical ...

This story appears in the August 2018 issue of National Geographic magazine. Indonesia has 127 active volcanoes. Only the U.S. (168) and Russia (144) have more. Essential packing list: We landed ...

Mr. Curtis will start at once for Hawaii, where he will construct for the Museum a model of the great volcano, Kilauea. Professor T. A. Jaggar, of the Massachusetts Institute of Technology ...

So why do they do it? In this episode of Risky Business, we head to the Ijen volcano to find out. More from Risky Business In East Java, Indonesia, hundreds of miners face deadly smoke to mine ...