Starship is tasked with carrying two astronauts from lunar orbit to the surface of the Moon as part of NASA's Artemis 3 mission.
A test flight of the megarocket unleashed a massive sonic boom—at least 10 times louder than the roar of a Falcon 9 rocket—as SpaceX sets its sights on launching it up to 100 times a year.
The star offers hints at how huge stars shed gas and dim towards the ends of their lives.
Astronauts on board the ISS took longer to perform certain tasks, raising concern over the effects spaceflight has on the human brain.
Starship lifted off for its sixth test flight on Tuesday, but its Super Heavy Booster splashed down in the ocean rather than being caught by the company's giant "chopsticks."
The company will launch its megarocket for its sixth test flight on Tuesday, hoping for another booster catch.
The pair, who seem attached at the hip these days, are scheduled to watch Starship's takeoff during a pivotal transitional period for the private space sector.
Space agencies and companies are pinning their hopes for spaceflight's future on nuclear electric propulsion.
Aftershock II reached further into space than any other independently built rocket.
A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.
NASA elevated the air leak to the highest level of risk, but Russia isn't convinced it's that serious.
Blue Origin shared a photo of New Glenn as the company prepares to debut its massive rocket.
The company is gearing up for the sixth test flight of the megarocket, with plans to significantly step up Starship's launch cadence next year.
A recent photo of Williams aboard the ISS sparked rumors about her health, restoring the media's habit of prying into the appearance of women astronauts.
A mystery looms over the end-of-life maneuvers of the UK's oldest satellite.
The two robots, working alone and far apart from one another, are struggling on their respective treks along the Red Planet's rough terrain.
Biden reversed a controversial decision to relocate the U.S. Space Command to Alabama, but Trump is expected to follow through with his original plan.
NASA is looking at proposals from the private sector to establish communication to and from Mars.
When Voyager 2 flew past the ice giant 38 years ago, it revealed a magnetosphere warped by solar winds, a finding uncovered through recent analysis of archival data.
The object, a neutron star, is now among the fastest spinning objects ever observed in the universe.
