Hovering over the volcano, a buzzing drone pauses in front of a laser beam on the crater's edge as researchers test whether the devices can measure gases to predict eruptions. On the Aeolian island of ...

At a manufacturing plant near Salt Lake City with a big American flag on the wall and work stations crammed with tools and ...

Ornadyne’s O1 does not generate lift with the fast-spinning propellers found on most small drones. The one-pound aircraft ...