In 2023, Sierra Space announced the VR35K-A had completed engine component testing, which allowed the company to advance to the full engine hot fire testing campaign. Next, Sierra Space will continue ...

While this latest test doesn’t make nuclear-powered rocket engines viable just yet, it’s an important step on the journey.

Rockets propelled by nuclear reactors could slash the time it takes us to get to Mars. The first humans to Mars might someday ride a rocket propelled by a nuclear reactor to their destination.

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...

This week's move comes a month after the debut of Blue Origin's New Glenn rocket, which reached orbit on its first try. CEO Dave Limp relayed the layoff news to employees Thursday, with notifications ...

By Nicholas Slayton Posted 23 Hours Ago During the height of the Cold War, the U.S. military and atomic scientists decided to fire some nuclear rockets into space. The goal wasn’t to see how ...

Rosatom scientists have developed a laboratory prototype for a plasma electro-reactive rocket engine based on a magnetic ...

Here’s how it works. Rocket Lab launched five "Internet of Things" satellites on Saturday (Feb. 8). A 59-foot-tall (18 meters) Electron rocket carrying five spacecraft for the French company ...

The US Air Force will launch an intercontinental ballistic missile (ICBM) in Southern California next week to test and flex ...

Business Insider's personal finance team reviewed Rocket Mortgage and found it to be one of the best mortgage lenders and an industry leader. Rocket Mortgage, formerly known as Quicken Loans ...

While the midair explosion of the SpaceX's Starship rocket made for an unsuccessful flight test it also made for an unforgettable optical experience in the Caribbean. The launch marked the seventh ...

The Houston Rockets are already banged up with Fred VanVleet (ankle sprain) and Jabari Smith Jr. (broken hand) out with injuries, but they are expected to lose another two players ahead of their ...