Editors discuss NASA’s recent contract awards to study tech for high-speed airliners—and the one supersonic project that is still pushing forward, Boom.

Europe’s Ariane 6 rocket passes key tests, looks toward first launch in 2024.

Building on good results of initial 4,000-lb. demonstrator RDRE engines, NASA says larger pressure-gain rockets hold promise for future space missions.

Beginning in 1964, watch the history of supersonic civil transports unfold on the covers of Aviation Week & Space Technology.

Germany’s H2Fly has completed the first flights of a hydrogen-electric aircraft using cryogenic liquid-hydrogen storage.

The $12 million in seed funding will be used by U.S. startup Lydian Labs to bring a pilot plant online in 2024.

A consortium has released a report outlining how green hydrogen production and aircraft fueling could be developed in New Zealand.

Honeywell has launched a product that can limit the effects of cellular interference on certain satellite communications systems for aircraft communications.