Challenger Deep sits at the bottom of the western Pacific’s Mariana Trench, roughly 10,935 meters below the ocean surface.

In many sports, there is an inherent risk. That’s part of the allure. We often are perfectly content to watch people attempt feats we would never try ourselves. We marvel and applaud those who put ...

Rivers create landforms, foster biodiversity, and provide sustenance to humanity; however, little attention is paid to their depth. The world's deepest rivers showcase the other face of these mighty ...

This review was originally part of our coverage for the 2023 Sundance Film Festival. When it comes to extreme sports, I, as a person who prefers the comfort of her bed, often just have to ask, "Why?" ...

How deep can fish live in the ocean? That question has captivated me for more than a decade. But my research team's discovery of the deepest sea fish, announced this week, might not be the final ...