A shooter with a rifle opened fire from a nearby roof onto a U.S. Immigration and Customs Enforcement location in Dallas on ...

Scientists have uncovered an unexpected witness to Earth’s distant past: tiny iron oxide stones called ooids. These mineral snowballs lock away traces of ancient carbon, revealing that oceans between ...

Nikon has revealed the winners of the 15th annual Nikon Small World in Motion Video Competition. The contest recognizes the most dynamic microscopic movies or digital time-lapse photography each year.