The Perseverance Mars rover's Mastcam-Z camera the Martian moon Phobos transit the Sun. See real-time and time-lapsed views ...

The U.S. Marine Corps will field smart scopes to help shoot down moving targets, such as drones, in the coming months.

The U.S. Army hit an at-sea target with a Standard Missile 6 fired from its Typhon missile system as part of the Talisman ...