Homolovi State Park was ranked among top road trip destinations in Arizona, and for good reason. Here's why you should make ...

About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...

Scientists found that an asteroid impact carved two massive canyons on the moon in minutes. High-speed debris helped shape ...

A new study explains how two deep canyons formed very quickly on the moon during an asteroid impact. KNAU’s Melissa Sevigny ...

NASA’s Perseverance rover is making history by collecting handpicked Martian samples for future return to Earth. Scientists are eager to study these specimens to unlock secrets about Mars’ ancient ...

While you can’t hike to the top, several short trails offer stellar views of Sunset Crater. Sunset Crater Volcano National Monument is a small park, and a convenient detour, on your way to or from ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

This popular campground is an oasis in the Grand Canyon, with cool, flowing water and shady cottonwood trees. There’s nothing better than soaking your feet in the creek after a long, hot day hiking in ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

The Grand Canyon in Arizona got carved by water over millions of ... The amount of energy needed to produce these grand canyons on the moon is 1200–2200 times larger than "the nuclear explosion energy ...

"Whereas Arizona’s Grand Canyon was carved by water over the last 5 to 6 million years and from integrated paleocanyons that ...