February 17, 1600. A man with a gag in his mouth and his tongue pierced with an iron rod was dragged out into Rome’s Campo de’ Fiori square. Moments later, Jesuit priests stripped him naked, hung him ...

Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still thrives. Entire ecosystems survive on toxic chemicals released from ...

The Turquoise Pool is one of Mystery Cave’s most photographed features, and for good reason. This body of water is so clear ...

Crystal Grottoes holds the distinction of being Maryland’s only commercially operated show cave, which is a fancy way of saying it’s the only cave in the state where you can safely explore without ...

"It was nice to have the public’s focus on a topic that doesn’t involve the future of democracy as we know it or whether the ...

We got a kick out of an old chestnut among conspiracy theorists — whether intelligent life exists elsewhere in the universe ...

I could be the best pathologist on planet earth—the undisputed Sherlock Holmes of medical science, even—and I still wouldn’t have the slightest clue what the cause of death is for this particular ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

Barack Obama appeared to confirm the existence of extraterrestrials; Nevadans have made more than 1,800 UFO reports since 1947.

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...