fox13now.com

Authorities are evacuating residents as a precaution after a mudslide damaged a few homes in Woodland Hills overnight.

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nationalgeographic.com

Claim to fame: In 2001, paleontologists Jim Kirkland and Doug Wolfe named a very strange dinosaur. Relatively little of its skeleton was known – a few vertebrae, part of an arm, part of a leg, and a piece of hip bone found in northern New Mexico – but it was enough to identify the animal as one of the tubby, fuzzy, long-necked, large-clawed herbivores called therizinosaurs. They named the species Nothronychus mckinleyi.

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fox13now.com

The red rock arches of southeastern Utah attract visitors from around the world. The majestic structures have stood for thousands of years, but they could possibly collapse over time.

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smithsonianmag.com

The fouled waters of the Animas River are slowly clearing, but the widespread hazards posed by toxic mine waste will be with us for centuries.

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nationalgeographic.com

More than 143 million Americans live in an earthquake zone, a new analysis shows, though many of them may be surprised to learn that dangerous shaking is possible in the places where they live.

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sltrib.com

Researchers sifting through deposits of owl pellets in Utah’s Homestead Cave have discovered that small-mammal communities scurrying around the West Desert remained stable through millennia of climate change.

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heraldextra.com

I’m pretty sure most of us had a rock collection when we were kids. Nothing very impressive, but personally I enjoyed finding cool looking rocks and trying to find out how they were made.

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natureworldnews.com

Things are humming right along at Arches National Park.

That is, scientists who wondered about possible internal damage in the 88-foot-long Mesa Arch at Canyonlands National Park-one of more than 2,000 sandstone arches in two national parks in that part of Utah–now have an answer. They learned by employing seismometers to hear the arches’ natural humming, then monitored the sounds for telling changes. Their report was recently accepted for publication in the journal Geophysical Research Letters.

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smithsonianmag.com

Some boulders defy gravity. Despite balancing on other rocks in the midst of fault lines, they stay precariously perched — thanks in part to those fault lines brushing up against each other, geologists report in the journal Seismological Research Letters.

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ksl.com

For those who have seen piles of white, pillowed foam along the shores of the Great Salt Lake and wondered what caused it, the Utah Geological Survey has an answer.

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