As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

Melbourne-based L3Harris acquired the vast rocket engine company Aerojet Rocketdyne in 2023, but on Monday announced it was ...

The rise of the commercial space industry precipitated a steeper decline at Rocketdyne. Boeing sold the Rocketdyne division ...

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

SpaceX currently controls nearly every rocket launch on Earth. With 98% of global orbital launches under its belt, Elon Musk's company has become the de facto gatekeeper to space. While China is still ...

The rumble you will hear today, Monday, January 5 2026 is the sound of rocket engine hotfire testing. Hotfire testing — a ...

Hegseth addressed Rocket Lab employees as part of his campaign to build enthusiasm for the nation’s manufacturing and defense ...

Defense contractor L3Harris Technologies struck a deal to sell a controlling interest in a business that makes engines that ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the speed of sound. Reading time: Reading time 4 minutes Venus Aerospace is a ...

Venus Aerospace has made the most efficient rocket engines ever flown. They will go from runway to mach 9 hypersonic speed. The Venus Aerospace Stargazer M4 is designed to reach a top speed of Mach 9, ...

Proving that you can't keep a good technology down, Reaction Engines' Synergetic Air-Breathing Rocket Engine (SABRE) has a new lease on life after a British-led consortium announced Invictus, a new ...