On Wednesday, more 17,000 coronavirus tests were completed in Nevada — the most ever in a single day in the state since testing began in March.

A rock tumble at the Grand Canyon revealed fossil footprints that researchers say are among the oldest in the park.

It’s something like a modern-day chuckwalla, side-stepping sand dunes on an island in what now is Grand Canyon National Park.

As the coronavirus pandemic shuttered the nation’s colleges and universities in a matter of days in mid-March, it scattered students and forced a chaotic switch to remote learning for the thousands now displaced by the virus.

It’s something like a modern-day chuckwalla, side-stepping sand dunes on an island in what now is Grand Canyon National Park.

Footprints found in the Grand Canyon, Arizona, reveal the journey that two creatures took when they walked up the sand dunes approximately 313 million years ago. The footprints were discovered when a huge boulder fell down in the Pennsylvanian Manakacha Formation, revealing the imprinted tracks.

On a day about 313 million years ago, a four-legged animal took a stroll up the slope of a sand dune, leaving only footprints behind.

There’s a new crowd of big spenders in Las Vegas.

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