Videos: Atlas 5 caps a generation of GPS launches

Firefly Aerospace and Aerojet Rocketdyne have announced a strategic partnership to collaborate on rocket propulsion, an agreement that could lead to Firefly’s use of Aerojet’s AR1 engine in a new medium-lift launcher.

United Launch Alliance ground crews on California’s Central Coast are gearing up to send a classified U.S. government spy satellite into orbit as soon as Monday — weather permitting — aboard one of the company’s four remaining Delta 4-Heavy rockets.

Now in an elliptical orbit around the sun, the Tesla Roadster launched atop a SpaceX Falcon Heavy rocket Tuesday during the powerful booster’s maiden flight was expected to pass beyond the moon’s orbit overnight Wednesday and reach the orbit of Mars in July as it puts Earth in its rear view mirror, analysts said.