These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery.

These ancient trees persisted for nearly 200 million years until they all but vanished. Now they line city streets.

As teens spend less time with their friends in person, scientists are beginning to uncover how isolation may affect the ...

Scientists are discovering that the oral microbiome—home to hundreds of species of bacteria and fungi—may help predict ...

Scientists have discovered that gut-born bacteria may hold the secret for treatments of everything from IBD to Parkinson’s ...

Egyptian geese are aggressively territorial. During mating, they are monogamous, making it likely the pair fighting the ...

Learn the untold stories of human history and the archaeological discoveries that reveal our ancient past. Plus, explore the lived experiences and traditions of diverse cultures and identities. What ...

Beneath the cliffs of western Colorado, a billion years of geologic history unfolds—and a century-old dream of accessibility still shapes the land.