A close look at the volcano eruption tying up air travel around the world. HVOLSVOLLUR, Iceland, April 17, 2010— -- We took a helicopter ride today to the top of the crater to watch the volcano ...

After several hundred flights were canceled in Germany this morning, the sky over continental Europe (where it is now Wednesday afternoon) is on its way back to clear, and airports are opening up once ...

Iceland's most active volcano, the Grimsvötn volcano, began erupting over the weekend, sending ash 11 miles up in the air, the New York Times reports. Iceland has shut down its Reykjavík-Keflavik ...