Researchers who study political violence say that the U.S. is in a period of more intense political rhetoric, but there have been far darker periods in the nation’s history
The practice of “cloacal diving” could help remoras hide from predators—it could also be a feeding strategy or help the fish hitchhike
The Trinity bomb test left behind a unique form of matter, and now, scientists have discovered a new chemical structure inside it
Sled dogs have worked alongside humans for thousands of years. In the harsh Alaskan winter they remain the best option for traversing the snowy landscape
Several teams appeared to spend the second half of the U.S. professional basketball season losing games on purpose for a better chance at a high draft pick. New ideas propose to fix this incentive problem