Missouri’s Meramec Caverns feature rare rock formations, rich history, and a colorful fall landscape above ground.

Hidden inside Vietnam’s Phong Nha-Ke Bang National Park is Son Doong, the largest cave on Earth. It’s so vast that a Boeing ...

The cave’s ceiling collapsed about 7,000 years ago, creating its large, natural amphitheater-shaped opening to the sky. It holds more than 10,000 years of layered sedimentary history. Attracting up to ...

MAMMOTH CAVE, Ky. — Though the federal shutdown has affected several national parks across America, Mammoth Cave National ...

An intrepid scientist and her team were the first to venture into the Wulff Land caves—and they found surprising evidence of Greenland’s prehistoric past. Paleoclimatologist Gina Moseley led a team of ...

(WHTM) — As the planet’s average temperature hit record highs this week, some people may be looking for ways to get out of the sun. While staying inside or hitting the pool may help with escaping the ...

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CAPE CANAVERAL, Fla. -- Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed 55 years ago, and suspect there are hundreds more that could house future ...