For the new study, the research team collected samples of sandstone from the 1.1km-thick Port Askaig Formation as well as from the older, 70-meter thick Garbh Eileach Formation underneath. They ...

In September 2025, NASA announced that its Perseverance rover had discovered a potential biosignature, which is a substance ...

Silicon monoxide gas detected by JWST signals the sublimation and recondensation of silicate dust into crystalline minerals. These minerals combine into pebbles, the earliest building blocks of ...

Discover how rocks, minerals & the rock cycle change your world. Join the Science Trek team to explore rocks and minerals! Discover how the Earth formed, the three types of rocks, the rock cycle, and ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name “Hadean” comes from the Greek god of the underworld, reflecting the extreme heat that likely ...

A slice of the El Ali meteorite, now housed in the U of A's Meteorite Collection, contains two minerals never before seen on Earth. A team of researchers has discovered at least two new minerals that ...

On Earth, garnet is best known as the fiery red January birthstone—popular in jewelry since the Bronze Age and valued highly ...

One spring day last year, Mark Longman was hiking around Castlewood Canyon State Park with questions that mounted with every boulder and rock wall he passed. A career geologist and longtime Denver ...

For billions of years, ancient geological layers have silently preserved the evidence of cosmic collisions that helped shape ...

Minerals aren’t just in rocks—they’re in your house, your food, even your body! From aluminum cans to toothpaste, and calcium to iron, discover how minerals shape the world around us and why they’re ...