Fossil seashells in New York’s streambeds aren’t just cool finds - they’re clues to a time when the entire region was buried under a prehistoric sea. These imprints helped scientists rewrite Earth’s ...

Discover Musandam in Oman, home to the world’s only desert fjords. From dhow cruises and dolphins to dramatic cliffs, here’s ...

Othniel Marsh and Edward Cope each discovered troves of dinosaur fossils in the 19th century—but grew obsessed with bringing each other down in the Bone Wars. Men unearth the giant bones of a mammoth ...