Not long ago, thermal scopes were superfluous gadgets. Now, they’re essential kit for serious predator and hog hunters. This collection of thermal sights includes military-grade scopes that cost more ...

American journalist H. L. Mencken dubbed it the “Monkey Trial.” The facts are these: A high school science teacher, John Scopes, was being tried for violating the Butler Act, a recently passed ...

For the first time, a team of researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF and the University of New Mexico have succeeded in cooling silica glass by ...

As ubiquitous as colored pencils and alphabet posters, lists of “sight words” have long been a fixture in kindergarten and 1st grade classrooms. These inventories identify some of the most ...

Stargazers spied an unusual sight on Friday night, as Venus appeared beside a crescent moon. The planet could be seen with the naked eye in locations lucky enough to have clear skies and ...