Cover Stories

Editor’s Picks

Trending Stories

What is Hayat Tahrir al-Sham? And how did the Islamist group evolve into a key player in Syria’s civil war? Sara Harmouch, Ph.D. candidate in Public Affairs, American University

Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million years ago Anna K. Behrensmeyer, Senior Research Geologist and Curator of Vertebrate Paleontology, Smithsonian Institution