The U.S. Army Corps of Engineers is set to start raising a dam used to catch millions of tons of Mount St. Helens sediment that flows each year from the mountain into the Toutle, Cowlitz and Columbia ...
Space.com on MSN
NASA's Juno spacecraft spots the largest volcanic eruption ever seen on Jupiter's moon Io
"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...
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