Virgin Galactic aims to fly SpaceShipTwo beyond the atmosphere for the first time before year’s end, kicking off what is expected to be a final round of test flights before beginning commercial suborbital space tourism and research flights.

Lockheed Martin has thrown its support behind the Trump administration’s ambitious goal of putting U.S. boots back on the Moon.

An emerging international space exploration road map is trying to avoid the ongoing Moon vs. Mars exploration debate by showing how NASA systems such as the proposed Deep Space Gateway, Space Launch System and Orion capsule can serve both destinations.

Russia does not plan to launch its new science lab to the International Space Station (ISS) until late 2018.

Stratolaunch Systems, the space launch carrier aircraft venture backed by billionaire Paul Allen, has completed the first phase of engine tests.

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.