Popular national parks brace for record-breaking visitation as peak summer travel approaches. But away from the spotlight, a ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big.

Why and how do volcanoes actually erupt? Volcanoes erupt when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts. Melting may happen where tectonic plates ...

An explosion on Mount Spurr could generate massive cloud of ash, which could mess with airplanes and cause issues for humans. For the last year, Alaska's Mount Spurr has been showing signs of a ...

The cave was closed off by a rock fall approximately 20,000 years BP and remained sealed until its discovery in 1994, which helped to keep it in pristine condition. Over 1,000 images have so far been ...

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m ...

There’s one Turkish city boasting stunning locales and exquisite food that hasn’t fallen prey to the tourist trap just yet — ...

Enjoy show-stopping caves and recently upgraded visitor facilities at Wombeyan Karst Conservation Reserve. Enjoy show-stopping caves and recently upgraded visitor facilities at Wombeyan Caves. Explore ...

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Off the coast of Oregon, things are about to heat up as a large undersea volcano is poised to erupt, according to scientists. Named Axial Seamount, the seafloor fissure sits on a geological hot spot ...

We took on one of the most intense crawls of our caving adventures – squeezing through tight passages deep inside Pettyjohn Cave to reach the legendary Volcano Room. It was a journey filled with low ...

BOWLING GREEN, Ky. (WBKO) - Mammoth Cave National park may soon see a major expansion after two prominent Kentucky lawmakers introduced a new bill. Bicameral legislation filed Thursday by Kentucky ...