Scientists are flocking to Iceland to investigate an increasingly crucial question: Will melting glaciers accelerate and intensify earthquakes and volcanic eruptions? William Brangham reports. PBS ...

Vignir Kristinsson smiles as two women, the only customers all morning, enter his gift shop filled with handmade things of oak. After perusing decorations ranging from animals to kitchen cutting ...

Although volcanic eruptions are spectacular natural events that occur around the world every day, most volcanoes spend the majority of their time not erupting. To accurately forecast volcanic activity ...