Striking Photos of the Men Who Work in an Active Volcano. Mount Ijen’s gorgeous vistas have captivated travelers for centuries, but in recent years, its sulfur mine has become a controversial ...

Sulfur is the third most abundant element in your body. You can obtain it from the amino acids methionine and cysteine, from the vitamins thiamine and biotin, and from other food sources.

Kanlaon Volcano on Negros Island recorded seven earthquakes and emitted over 2,100 tons of sulfur dioxide in the past 24 ...

In the rover's photo of the rock (above), yellow sulfur crystals can be seen crowding within the inner regions of the object's crushed pockets.