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A mammoth discovered several years ago 30 miles northwest of Pahrump provides the first-known proof of Ice Age animals in the Amargosa Valley area.

One local lawmaker wants to take federally protected land on the eastside of the Las Vegas Valley near Henderson and step up conservation and recreation there to create something akin to Red Rock Canyon National Conservation Area.

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

Fossilized animal tracks discovered in the Grand Canyon were likely left by a reptile some 313 million years ago, among the oldest found on Earth, a UNLV professor said.

Finding fossil footprints at the Grand Canyon isn’t particularly unusual. The expansive stretch of red rock is home to an array of formations containing preserved remains of the past.

Geologist Allan Krill was hiking along the Grand Canyon National Park’s Bright Angel Trail with a group of students in 2016 when he spotted it: a fallen boulder lying just off the side of the trail, with curious markings that resembled footprints. Krill, who was visiting the Ê×Ò³| Â鶹´«Ã½Ó³»­ (UNLV) from Norway, sent photos of his find to an old friend and colleague, Stephen Rowland, a UNLV paleontologist.

A new research paper led by paleontologist Steve Rowland at the Ê×Ò³| Â鶹´«Ã½Ó³»­ analyzes this chance find of two sets of footprints (also called trackways) on the same rock that are potentially both from the same unknown species.

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