Pinnacle Peak is located near the Troon North Golf Club and Four Seasons Resort Scottsdale (about 25 miles north of Old Town ...

Tucked away in the rugged terrain of the Anza-Borrego Desert State Park is the world’s largest wooden trestle bridge, a ...

A new study published in Nature Communications reveals that 3.8 billion years ago, an unidentified object struck the Moon ...

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 ...

Residents can explore around the remnants of an abandoned coal mine in OC’s backcountry with Irvine Ranch Conservancy.

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

Scientists say America is no longer the only place with a Grand Canyon as NASA spots two enormous chasms carved into the ...

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

Yellowstone National Park is a popular destination for geology field trips. It’s easy to see why—the dynamic landscape ...

Grand Staircase-Escalante National Monument’s geology, archaeology, and history span millennia. Its sculpted canyons, hidden arches, and colorful cliffs hold stories of our planet’s past, while deep ...