From waterfalls that seem to disappear into nowhere to blood-colored water, these places are shrouded in mystery—even if science can explain most of them.

Smoke rises following an Israeli airstrike in the Dahiyeh area of Beirut, Thursday, March 5, 2026 ...

Trump adviser releases video of faith leaders praying over Trump in Oval Office ...

A team of scientists has investigated the so-called "Grand Canyon of the Atlantic": A huge underwater canyon extending 500 ...

Nancy A. Youssef is a staff writer at The Atlantic covering national security and the Defense Department. She has written about U.S. national security for more than two decades, including at The Wall ...