John LaFave has been appointed interim director of the Montana Bureau of Mines and Geology (MBMG), following the departure of ...

Editor's note: “Roadside Geology of Montana” is winner in the Medicine and Science category of the 2021 High Plains Book Awards. Tourists from around the world flock to Montana to observe our region’s ...

32,503 people played the daily Crossword recently. Can you solve it faster than others?32,503 people played the daily Crossword recently. Can you solve it faster than others?

We concluded our conversation with Montana Western professor and Roadside Geology of Montana co-author Rob Thomas this morning.

You are going about your day. All is calm and quiet until suddenly, the ground beneath your feet begins to shake, and items ...

The Helena Valley sits atop a variety of different sediments and rocks, making it particularly susceptible to earthquake ...

Petr Yakovlev, a geologist with the Montana Bureau of Mines and Geology, looks at a map of the area while standing on Stemple Pass Road Thursday near the epicenter of the early-morning earthquake.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Sheila Roberts will present "Geology of the Lewis and Clark Expedition" at 8 p.m. Friday, June 8, ...

A 4.1 magnitude earthquake early Monday about 8 miles east of Dillon rattled nerves and furniture. A 4.1 magnitude quake is generally considered mild, but several variables can affect how it is ...

Editor's note: “Roadside Geology of Montana” is a finalist in the Medicine and Science category of the 2021 High Plains Book Awards.