Frontier, the organization backed by Stripe, Google, and Meta, announced Tuesday it is paying startup Arbor Energy to remove ...

Would it be better to have a rocket that uses all the fuel at once or to let out a little bit at a time? Here is a closer look at the rocket equation.

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

With further delays to BE-4 rocket engine, Vulcan may not make 2022 debut "These are really big, heavy, complicated pieces of machinery." ...

Small companies are producing parts for constructing rockets using 3D printing, a technology that has potential to shake up domestic manufacturing.

Strapped to a spacecraft, engines of this breed would eliminate the need for expendable boosters, which make launching people and things into space slow and expensive.

When most people think of rockets, they likely imagine something like SpaceX's Raptor engine, or they might recall the Apollo 11 Saturn V rocket that took astronauts to the Moon. Rockets aren't ...

New Frontier Aerospace says it has put its 3D-printed Mjölnir rocket engine through a series of successful hot-fire tests.

Most any rocket engine you’d find on a spacecraft – save for solid or hybrid rockets – use an engine system that’s fairly complex. Because of the intense heat, the fuel is circulated ...

In August, Rocket Lab successfully launched a rocket equipped with eight new engines and one reused one. Sometime soon, the space company could attempt to fly a rocket with entirely recovered ...

Aftershock II, a new rocket built by students at the University of Southern California, recently broke a number of 20-year-old amateur spaceflight records for altitude, power and speed. It reached ...