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." ...
Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major Clovis-era sites, researchers found shocked quartz—evidence of intense heat ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results