Drone footage reveals orcas making tools from kelp to groom each other - Scientists observed the surprising social behaviour, ...

A man is dead after a SWAT operation in Eagle Mountain escalated into an officer-involved shooting Monday afternoon.The Utah ...

PhoSim simulates the atmosphere, including air turbulence, as well as distortions from the shape of the telescope’s mirrors and the electrical properties of the sensors. The photons are propagated ...