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 ...

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 ...

Add to the long list of global warming concerns that melting ice caps could trigger more volcanic eruptions. Worse, researchers said Monday at a scientific conference in Prague, the increasing ...