The U.S. Air Force says it is not seeking permission from Congress to import additional Russian-built RD-180 rocket engines beyond the 18 already authorized for Atlas V-series rocket launches.

Northrop Grumman will buy Orbital ATK for $9.2 billion, the companies announced early Sept. 18.

Boeing and ArianeGroup will jointly develop a new generation of electric thrusters for satellites.

Two Ariane 6s will launch four Galileo satellites in 2020-2021.

Satellite developer Cloud Constellation has formally selected Virgin Orbit’s LauncherOne rocket to deploy the first 12 spacecraft forming its initial SpaceBelt constellation of space-based cloud storage data centers.

NASA’s Cassini spacecraft took a final swing around Titan Sept. 11, taking advantage of the giant moon’s gravity to slingshot itself onto a dead-end path into Saturn’s atmosphere.

India’s state-run space agency is ramping up plans to get Indian industry more involved in satellite building.

It was the first airborne test of Sierra Nevada Corp.’s (SNC) Dream Chaser vehicle in nearly four years.