Exploring the Sulfur Dioxide Volcanoes of Venus

If the 800-degree heat or crushing atmospheric pressure doesn't get you, you might want to watch out for spewing plumes of sulfur dioxide and liquid lava flows on your next visit to Venus. We've long known that our neighboring planet has lots of volcanoes, but no one is sure if any of them are currently active. It's… » 4/11/08 8:00am 4/11/08 8:00am