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

L3Harris Technologies said Jan. 5 it will sell a majority stake in its space propulsion business to private equity firm AE ...

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

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

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

L3Harris Technologies is nearing a major transaction that underscores its strategic shift toward core national security and missile-focused operations. The defense contractor is close to finalizing a ...

Redstone Arsenal officials announced on Tuesday that the “louder than expected noise levels” heard on Monday evening were not ...

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

It's incredible how many different kinds of rocket engines are being developed at the same time to be used in space exploration. It's something that goes to show, if there was still a need for it, ...

Japan’s flagship H3 rocket has suffered a fresh setback, with an engine failure in its upper stage cutting short a ...

Residents as far away as the Tennessee line and down to Morgan County reported rattling windows and shaking doors due to the ...

The H3 rocket launched on Sunday at 8:51 p.m. ET from the Tanegashima Space Center, located on a southwestern Japanese island. The rocket’s second-stage engine burn failed to ignite on time, resulting ...