Test your knowledge of Yosemite National Park with this quiz! Answer questions about its famous landmarks, history, wildlife, ...

Rocks for a local rock garden are best chosen from those that are naturally occurring in the area,” writes columnist Tom ...

A beam of energy hit the slab of rock, which quickly began to glow. Pieces cracked off, sparks ricocheted, and dust whirled ...

Quaise Energy’s drilling technology uses a gyrotron to melt rock without the use of downhole hardware, giving access to ...

Discover which US state reigns supreme in mountainous terrain. Explore Alaska's vast ranges, highest peaks like Denali, and ...

Diorite is a course-grained igneous rock that forms when magma rich in silica cools slowly deep within the Earth's crust. How would a geologist figure out how it formed using rock characteristics?