Earth from space: Italy's 'ticking time bomb' plays peek-a-boo through a mysterious hole in the clouds ...

This data point is one of several key mysteries investigators are exploring as they seek to explain what caused the nation's ...

Hawaii's Kilauea volcano entered "episode 7" of its eruption Monday, sending 120-foot-high bursts of lava into the air.

The US Army is working with aerospace company Skyryse on improved flying and safety, as well as autonomy, for helicopters like the Black Hawk.