A photographer goes on the road with traveling circus troupes—storytellers, tricksters, and acrobats who fill the modern big top with timeless charm on.natgeo.com/3VEczli

Whether dinosaurs were some degree of “semiaquatic” has continued to vex researchers. Now, a new discovery adds a duck-like species to their narrow ranks on.natgeo.com/3h7AJFC

During the darkest days of winter, Christians prepare for one of their religion’s most important holidays during the season of Advent on.natgeo.com/3FwNx1T

Each year, researchers around the world contribute to humanity’s accumulation of knowledge. Here are some of the year’s most remarkable discoveries on.natgeo.com/3FxPefq

Arctic foxes don't usually get this close to humans, but this one was feeling brave pic.twitter.com/5fKg6yGuvh

The terrible, choking fog in December 1952 would affect British health—and its climate—for years to come. Here’s how the fog struck the chilly city—and how it still affects the United Kingdom today on.natgeo.com/3BdXNtj