Ever wonder how Earth scientists examine rocks? We cut them up and throw them under a microscope ... and then everything ...

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

NASA's Perseverance rover has discovered a bizarrely textured rock covered in hundreds of egg-like spheres on Mars, ...

A U.S. Geological Survey effort to find underground deposits of clean energy metals has gotten bipartisan support.

In these seven postcard-worthy state parks, you can marvel over similarly stunning vistas and find hiking, biking, rafting ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

Before you dig a garden, it's important to figure out what type of soil you have and then select plants (and amend your soil) ...

Deep below the Earth’s surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within shine in brilliant hues of pink, blue and green.

For people who love to travel, mountains provide both comfort and excitement. Greenery can be seen on mountains during summer ...

To connect worlds, one had to protect them. The Han emperors understood this, and the Great Wall was built over 11,000 ...

Oregon finishes up spring break this weekend with a few family-friendly events including the Gem Faire in Hillsboro and the ...

A priest with a rock collection and a massive vision turned this corner of Iowa into a legend. The Grotto of the Redemption ...