Stephen Clark

A brief but crucial demo Until now, SpaceX has intentionally launched Starships to speeds just shy of the blistering velocities needed to maintain orbit. SpaceX wanted to test the Raptor’s ability to reignite in space on the third Starship test […]

“The station is not young,” said Michael Barratt, a NASA astronaut who returned from the space station last month. “It’s been up there for quite a while, and you expect some wear and tear, and we’re seeing that.” “The Russians

That’s just Elon But many UAP cases have verifiable explanations as airplanes, drones, or satellites, and lawmakers argue AARO might be able to solve more of the cases with more funding. Airspace is busier than ever with air travel and

Once the leak stabilized, the astronauts closed the hatch and began repressurizing the airlock. “Getting the airlock closed was kind of me grabbing her legs and using her as an end effector to lever that thing closed, and she just

North Korea tests new missile. North Korea apparently completed a successful test of its most powerful intercontinental ballistic missile on October 31, lofting it nearly 4,800 miles (7,700 kilometers) into space before the projectile fell back to Earth, Ars reports. This solid-fueled,

From its halo-like orbit nearly a million miles from Earth, the James Webb Space Telescope is seeing farther than human eyes have ever seen. In May, astronomers announced that Webb detected the most distant galaxy found so far, a fuzzy

Earlier this week, North Korea apparently completed a successful test of its most powerful intercontinental ballistic missile, lofting it nearly 4,800 miles into space before the projectile fell back to Earth. This solid-fueled, multi-stage missile, named the Hwasong-19, is a

The estimated 10 billion-plus euro cost of the IRIS² program is nearly double initial projections. European officials also confirmed the sovereign satellite network won’t begin providing services to European government customers until 2030, three years later than the commission’s previous

This capability makes the arc jet test facility unique in the world, but it still can’t fully replicate the stresses a spacecraft’s heat shield undergoes during reentry. There are some things that are just unknowable until you fly, said Victor

NASA said Friday one its astronauts is in a hospital in Florida for medical observation after a “normal” predawn splashdown in the Gulf of Mexico inside a SpaceX capsule. The mission’s other three crew members were cleared to return to