The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

Researchers used drone imagery to analyze the full scope of a massive, 3,000-year-old fortress in the Caucasus mountains.

The fire was reported around 2:20 p.m. Thursday in the Otay Mountains of San Diego's South Bay near the border.

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

Each New England state felt Monday's 3.9-magnitude earthquake, but here's how far the quake was felt across the region.

Google is planning to update Google Maps to show the Gulf of America, after President Trump's executive order which renames ...

Mountains are high areas ... Now we can use contours to help us prepare for a route when we’re hiking, to decide whether we want to hike on a steeper route or a more gentle slope.

If you look at a map ... Mountains, about two hours away from Big Bend, you can stargaze in a private session and observe the night sky through one of the largest telescopes in the United States.

Choose from Mountain Range Map Vector stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

Naturally occurring underground heat could help with renewable energy generation, thanks to technological advances. Mountain ...

While Hawaii is formed by volcanoes, including the highly active Mt. Kilauea, I want to explore an easier-to-reach region: ...