A European Ariane 5 ECA launcher placed two Intelsat communications satellites in geostationary transfer orbit Aug. 25, lifting a record combined total mass of 10,735 kg, the bulk of which comprised the spacecraft.
International Space Station commander Jeff Williams is set to embark on a planned 6- to 7-hr. spacewalk with fellow NASA astronaut Kate Rubins on Sept. 1 to retract a 44-ft.-long radiator panel extended nearly four years ago to deal with a long-resolved ammonia coolant leak.
The U.S. Air Force has awarded a contract to Boeing to continue F-15 full-scale structural fatigue testing through August 2021 as the only F-15E Strike Eagle to record an air-to-air kill flies past 12,000 hr.
The scramjet propulsion experiment will be carried by the RH-560 two-stage sounding rocket launched from Sriharikota spaceport in south India on Aug. 28.
Lockheed Martin has flight-tested an improved version of its Miniature Hit-to-Kill (MHTK) missile in its final firing under a U.S. Army program to develop ...
A British-led team of international astronomers has discovered a rocky, Earth-like planet orbiting Proxima Centauri, the closest star to our Solar System.
India is working to launch 70 satellites in the next three years, with plans to lift at least four satellites by year’s end, a senior space scientist says.
North Korea appears to have taken a large step toward complicating Japanese and South Korean defenses by successfully testing a submarine-launched ballistic missile (SLBM).
In a memo sent to Defense Department leadership last week, the Pentagon’s top weapons tester cautioned the F-35 still has many obstacles to overcome before full warfighting capability.
Lockheed Martin has flight-tested an improved version of its Miniature Hit-to-Kill (MHTK) missile in its final firing under a U.S. Army program to develop technology for a counter-rocket, artillery and mortar (C-RAM) interceptor.