Tristan Duke uses Arctic ice and a unique technique to offer a fresh perspective on a world transformed by climate change.

Dolphins have lived near Rome for at least 2,000 years. Scientists fear for their future. Rome's dolphins have an unusually high number of bite marks, suggesting that the population is in competition ...

The best wildflower hiking trails in the U.S. Spring is in bloom. Here are our favorite places to frolic through fields of flowers, from the Pacific Northwest to the Appalachian Mountains.

The outcome. The deliberations at the Council of Nicaea were marked by intense conflict. According to a14th-century legend, Saint Nicholas—the figure later associated with Santa Claus—became ...

Africa’s Great Migration sees millions of wildebeest and zebra thunder across the sun-bleached savannah, drawn by instinct to ...