The rocket already had a mixed record heading into this year. Firefly has only achieved two fully successful missions in six ...

The first stage of the rocket that Firefly was prepping to make Alpha's seventh-ever flight exploded on Monday (Sept. 29) ...

The two announcements highlight RTX's parallel work on both air-breathing and solid rocket propulsion technologies through its businesses. RTX made two propulsion announcements on Sept. 24, 2025, ...

The 11th flight of the most powerful rocket ever built will stress-test the heat shield of the upper-stage Ship spacecraft, demonstrate maneuvers that will mimic the upper stage’s final approach for a ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the ...

Brunswick aerospace startup bluShift Aerospace’s latest engine test last week, at Brunswick Landing, yielded key insights into next steps for improving fuel combustion. “Like a car engine, the goal is ...

We're always told that rocket science is the hardest form of science out there and a raft of explosions on the launch pad in recent months makes me inclined to agree. Now, a Japanese rocket engine ...

We're learning more about a rocket engine testing facility that will be built in Tulsa. It could open in 2027 and attract other space-related companies. A company called Agile Space Industries says it ...

A new type of rocket engine, one that could power a plane from Los Angeles to Tokyo in just two hours, has eluded scientists for decades. Houston's Venus Aerospace says it recently solved the puzzle.

North Korea says it conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its ...

A test of an engine for Japan's upcoming Epsilon rocket ended in an explosion on Tuesday (Nov. 26), the second time in less than two years that this engine has met an untimely end during testing. On ...

The U.S. Space Force’s Space and Missile Systems Center has issued requests for prototype proposals for upper-stage resiliency improvements, next-generation rocket engine testing and orbital transfer ...