An increasing number of people are out chasing the northern lights and other celestial phenomena in northern Minnesota.

Yellowstone looks like the perfect road‑trip poster: geysers, bison, and neon hot springs. Then you hit the gates, and reality shows up in the form of ...

Helium is slipping into a new era of scarcity just as the world leans on it more heavily for medicine, microchips and spaceflight. At the same time, geologists are uncovering clues that very old rocks ...

The Absaroka Mountains and southwestern Yellowstone are expected to see the heaviest snowfall in the next few days.

Every thermal feature in Yellowstone has a natural system of subterranean "plumbing" that feeds water and steam to the ...

A fresh shot of Arctic air could bring the coldest air of the season for many this week, according to AccuWeather ...

The flood forecasts come as a strong atmospheric river pummels the Pacific Northwest. The storm follows a weaker system that ...

Laura, a retired college professor and Point Reyes National Seashore expert who spent most of her life in the Bay Area, left ...