Many March underdog darlings emerge from the same handful of leagues with a reputation for wreaking NCAA Tournament havoc.

From exploring Arizona canyons to Utah buttes and beyond, our national parks columnist shares the most adventurous Southwest ...

Planning a trip to Arizona? I’m quite sure the Grand Canyon probably features on your itinerary as it is probably the most ...

Two gargantuan canyons on the moon were carved by a hailstorm of rocks — and that’s good news for future lunar astronauts.

Ever wonder what the deepest lake in Arizona is? Here's what you want to know about the top spot for swimming, boating and more in Arizona.

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 ...

The Colorado and Green rivers have carved Canyonlands National Park into a complex network of deep chasms, towering spires ... The southern tip of Island in the Sky, called Grand View Point, provides ...

The measurements showed these two canyons were similar in width and length to the Grand Canyon. Vallis Schrödinger is 168 miles (270 kilometers) long and 1.7 miles (2.7 kilometers) deep, and Vallis ..

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object slammed into the moon 3.8 billion years ago.

The measurements showed these two canyons were similar in width and length to the Grand Canyon. Vallis Schrödinger is 168 miles (270 kilometers) long and 1.7 miles (2.7 kilometers) deep ...