It's concerning enough that glaciers in Greenland and Antarctica—including the infamous Doomsday Glacier—are melting at an accelerated rate, causing the ocean's great "conveyor belt" to pump the ...

REYKJAVIK, Iceland — Blasts of lava and ash shot out of a volcano in southern Iceland on Monday and small tremors rocked the ground, a surge in activity that raised fears of a larger explosion at the ...

Of the 30 volcanic systems on Iceland, four are currently active, says Magnús Tumi Gudmundsson, professor of geophysics at the University of Iceland. These magma-spewing mounds are responsible for 80 ...

Iceland's Katla Ice Cave is a remarkable work of nature. Sculpted over thousands of years of glacial floods, icy blizzards, and volcanic eruptions, the cave sits inside the Kötlujökull glacier on top ...