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

In 1908, explorer G.E. Kincaid made a shocking discovery in the Grand Canyon: a man-made cavern with hundreds of carved steps ...

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

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

Steve Martin has ranked as one of the most beloved comedians of his generation. Taking to the stage in the ... Read More ...

“‘Eerie’ combines all of the things that attract me personally: mysteries, aliens ... lights over a hill between Williams and the Grand Canyon. Since I'm naturally logical, I'll add that ...

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

Midair collisions throughout aviation history have brought some of the worst tragedies in the sky. But they've also left ...

The first major U.S. exhibition of Germany’s great Romantic painter is a historic showcase. It’s also a blueprint for how to ...

The story is about perhaps the most famous female painter of the 17th century, but whose name largely had been consigned to ...