In the brutal world of deep caves, bacteria live in a miniature world of terror. The weapons they have evolved can defeat antibiotics – but now they are inspiring powerful new drugs.

Mammoth Cave, located beneath Kentucky’s rolling hills, is the longest known cave system on Earth, extending a staggering 426 ...

Part of the adventure in luring your friends out to the high desert terrain in Northern California, where a valley floor spills from the northern backside of Mount Shasta, is that precious moment when ...

Evie Carrick is a writer and editor who’s lived in five countries and visited well over 50. She now splits her time between Colorado and Paris, ensuring she doesn't have to live without skiing or L'As ...

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 ...

Movile Cave in Romania has evolved independently since it was cut off from the air and sunlight 5.5 million years ago. Its extreme environment seems inhospitable to most life on Earth. Yet, this place ...

(Updated 10/10/23) My first experience sleeping in a cave hotel was many years ago in Santorini, in one of those typical whitewashed hotels dug into the volcanic rock and once used as inexpensive ...

John Volanthen, one of the rescuers behind the dramatic 2018 Thai cave rescue, is coming to Fresno. He’ll share firsthand stories from the mission that saved 12 boys and their coach during a San ...

The island of Kastellorizo holds a natural wonder that remains one of the country’s best-kept secrets: the Blue Cave.