Why the merger with Harris Corp. was the inevitable capstone to a boom-bust story.

The abort was the first unplanned shutdown during a terminal count of a Delta IV Heavy, which has flown 10 times since its debut in 2004.

Rolls-Royce and Uptake are about halfway through a two-month proof of concept to ascertain whether a different data-science approach will improve Trent engines’ reliability—including detecting problems before they occur.

The Northrop Grumman B-21 Raider has cleared its critical design review.

Lockheed Martin has begun the second phase of a project to integrate an infrared search and track sensor internally on the U.S. Navy’s Boeing F/A-18E/F fleet.

Boeing will hold a set of regional meetings and conference calls next week with 737 MAX customers to address their questions and concerns about a new system that was introduced on the re-engined narrowbody.

Airbus Defense and Space Inc. has become the second sat manufacturer awarded a contract under DARPA’s Blackjack program to demo a constellation of low Earth orbit spacecraft.

With the flight of the first multi-engine hybrid-electric aircraft, the combination of electric and conventional propulsion takes a key step forward.