Scientists uncovered Australia’s oldest known crocodile eggshells, revealing the secret lives of ancient mekosuchine ...

A new study identifies eight Martian caves that scientists say should be prioritized in future life-search missions.

Six friends enter a cave system looking for a spelunking adventure, but the creatures that await them are hungry for blood. Jen Karner has spent the last 10 years covering technology, streaming ...

MAMMOTH CAVE, Ky. — Though the federal shutdown has affected several national parks across America, Mammoth Cave National Park in Kentucky remains open, officials say. Visitors can still visit the ...

A Florida park with the deepest freshwater cave system in the country is celebrating 78 this week. Weeki Wachee Springs State Park, home to the world-famous mermaids, first opened to the public on Oct ...

MAMMOTH CAVE, Ky. — Kentucky's only national park is the site of the world's largest cave system, which attracts hundreds of thousands underground every year. That's why October is typically a busy ...

Cave exploration has fascinated Dave Foster almost his entire life. As a Virginia youth, he would find himself engrossed in exploration stories like the sci-fi expedition classic “Journey to the ...

Stretching for hundreds of miles beneath the surface, this is the largest cave system in the United States — a hidden world of rivers, chambers, and ancient stone carved by time itself. President ...

In 1845, John Moore and his sons were mining for lead in the Ozark Mountains when they happened upon a cave filled with stunning ancient mineral formations. Their discovery became known as Moore’s ...

In 1879, a landowner and amateur archaeologist named Marcelino Sanz de Sautuola ventured into a newly discovered cave system in northern Spain. Hoping to find prehistoric tools, he kept his eyes fixed ...

After two years of preparation, dive partners Bill Gavin and Parker Turner thought they had planned their excursion to a T. This would be the first of a series of dives the pair would complete, all in ...