Aviation Week & Space Technology

Our roundup of the main aerospace and defense stories making the news this week.

The HySIITE engine concept shows promise for a practical zero-emission hydrogen-steam combined-cycle propulsion system.

With a plan for transformation, Southwest is looking to broaden the reach of its Boeing 737 fleet through airline partnerships.

New readiness levels aim to demystify and delineate progress through the labyrinth of aviation certification.

ESA scientists say liquid water may not yet have been discovered on another planet because observation has not focused long enough on a given star.

California firefighting agencies dispatched scores of aircraft to battle wildfires in the Greater Los Angeles area.

The company created fireworks with its latest Starship flight test—just not the celebratory kind, as rocket debris caused commercial flight diversions.

“We are at an inflection point,” says Kelli Kedis Ogborn, vice president of Space Commerce and Entrepreneurship at the Space Foundation.

The sector seems more real than ever as eVTOL-makers ramp up production of full-scale aircraft.

“It’s time to be able to move through space at will and to be able to defend ourselves when we are attacked,” ULA CEO Tory Bruno says.

The world is headed for a period of launcher abundance as the New Glenn expands rocket choice in the heavy-lift segment.

After months of talks, Azul and GOL take steps to merge, the result of which could account for a large chunk of Brazil’s market share.

How did Airbus and Boeing finish last year in orders and deliveries? Can Boeing bounce back in 2025? And what are airlines saying they want from a new airliner? Our team dives in.

The country’s major carriers have hundreds of aircraft on order or pending, and big airport projects are underway.

A group of Airbus A350 operators plans to demonstrate the operational practicality of pairing flights to take advantage of wake energy.

More than two decades after Boeing launched development of its last clean sheet aircraft, a new survey of airlines, lessors, manufacturers, component suppliers and MRO providers reveals a high degree of interest in a next-generation narrowbody that Embraer has been studying for some time.

Hydrogen-fuel turboprop; cargo uncrewed air vehicle flies on liquid hydrogen; riblet paint on Boeing 787; BAE battery for Airbus hybridization.

DARPA and NASA’s nuclear thermal propulsion project will miss its scheduled 2027 testing time frame, as its development has proven trickier than anticipated.

The UK eVTOL startup showcases progress with aircraft and battery development as it prepares to close a vital new funding round.

Moon dust and other characteristics of the lunar environment are due for closer inspection if two newly launched landers can make it safely to the lunar surface.

Survivability and increased standoff head the list of priorities for long-term Air Force modernization.

Editors discuss some of the breakthrough technologies and advanced concepts to emerge at this year's AIAA SciTech. They also hear from AIAA's new CEO, Clay Mowry.

Boeing F-15s are getting anti-ship standoff weapons as the Air Force looks to use machine learning to improve tracking of targets at sea.

As it celebrates its centennial, Delta is focused on building customer loyalty, unveiling new offerings and partnerships to attract and retain membership.

The GCAP member countries have made rapid progress to prepare for development, but UK lawmakers say challenges remain in keeping the project on track.