Black and brown round pebbles fill the low spots all over White Pocket. These metal-looking balls are made from iron and ...

North America's deepest gorge, Hells Canyon, which slithers along the border of Idaho and Oregon, is a surprisingly new ...

The desert town of Sedona, which is located approximately 180 miles outside of Phoenix, sits in both Coconino and Yavapai ...

Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.

EVEN though humans have never set foot on Mars, we’ve still got plenty of photos of the red planet. And if you went by those ...

Army Sgt. Andrew Jay has been guarding the Tomb of the Unknown Soldier at Arlington National Cemetery. He will make his final ...

Memorial Day weekend is the perfect time for a quick Arizona road trip. Here are the best things to do in Jerome, Flagstaff, ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Health leaders have warned of a “potential second norovirus wave” – with people catching the vomiting bug more than once. For ...

A hiker takes in the view at Antelope Canyon, a slot canyon in Arizona ... rocks are rare. But they do exist. Certain asteroids, like Ryugu and Bennu, are rubble piles, essentially a strange ...

Some feel almost otherworldly, with strange rock formations and the occasional glow ... the limestone passages beneath southern Arizona hold some of the region's best-preserved cave formations.

Nasa’s Curiosity rover has spotted a strange rock formation on Mars that looks like a multilayered chocolate cake. The rover team faced a technical challenge to find a safe area on the Red ...