Fossils from a previously unknown species of shark have been unearthed at Mammoth Cave National Park, shedding new light on ...

A tiny shark species dating back hundreds of millions of years has been identified at Mammoth Cave National Park in Kentucky, the National Park Service announced Monday. The identification was ...

There are three types of available Shark robotic vacuums: Shark ION, Shark IQ and Shark AI. Shark robotic vacuums have two advanced brushroll technologies: powerfins and self-cleaning brushrolls.