Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

In an extraordinary breakthrough, scientists have discovered a massive underwater crater buried beneath the waters of the ...

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

Arizona is most definitely a bucket list state, stacked with unique landscapes found nowhere else, and one-of-a-kind ...

Want to know the 5 most mysterious places on earth that defy scientific explanation? Here’s the list of the most baffling ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

From luxury heritage routes to routine service passing through extraordinary scenery, here are 19 of our favorite rail ...

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

Flashy neon signs for motels, eclectic gift shops, full service stations, quirky museums and mom-and-pop restaurants, plus ...

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

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

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...