Optiemus Unmanned Systems (OUS), has announced the launch of four new drones aimed at defence, surveillance, and ...

A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon network.

The Hamilton County Sheriff's Office owns 16 drones that they plan to use a "first responders" for some calls for service. The Columbus Division of Police owns four helicopters, but the department ...