New findings from NASA's Perseverance rover have revealed evidence of wave-formed beaches and rocks altered by subsurface ...

Do you know what is the oldest national monument in the United States? Learn about the Devils Tower, its location, Native history, geology, climbing fame, and preservation story in this article.

Iron-rich rocks at McGraths Flat preserve Miocene rainforest life in remarkable detail, reshaping ideas about how and where exceptional fossils form. Beneath agricultural land in the central ...

Rockhounders can find all kinds of gemstones across the United States, but there are certain places where geodes can be found ...

Rare rocks buried deep in central Australia have revealed how a valuable niobium deposit formed during the breakup of an ...

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

Stone has been the backbone of British and Irish construction for millennia, from Stonehenge to Georgian townhouses, and its relevance has never diminished. In contemporary construction projects ...

There are many mountains in the world that need no introduction, and among them is one that has a very peculiar natural shape. Devils Tower, called Mato Tipila (Home of the Bear) by the Lakota Indians ...

Getting your Trinity Audio player ready... Editor’s note: This is part of The Know’s series, Staff Favorites. Each week, we offer our opinions on the best Colorado has to offer for dining, shopping, ...