The four spaceflyers will get to spend a few extra hours in orbit.
NASA and Boeing are confident that the valve glitch that grounded Starliner for eight months has been fixed.
Rocket Lab caught a returning booster with a helicopter during an orbital launch today (May 2), notching a huge milestone for the company and its quest to make its Electron rocket partially reusable.
Maxar Technologies' WorldView-2 spacecraft spotted what appear to be Kalibr missiles sitting next to a docked Kilo-class submarine in Sevastopol, an important Black Sea port in the Crimean Peninsula.
We'll have to wait at least another month to see the results of the U.S. Federal Aviation Administration's environmental review of SpaceX's Starship program.
Axiom Space has signed a deal with the space agency of the United Arab Emirates to fly a UAE astronaut to the ISS on SpaceX's Crew-6 mission for NASA, which is expected to launch in spring 2023.
A SpaceX Falcon 9 rocket launched another big batch of Starlink internet satellites to orbit and landed on a ship at sea today (April 29).
Rocket Lab will try to notch a huge and dramatic reusability milestone Monday (May 2), and you can watch the action live.
For the second time in less than three weeks, SpaceX has delivered an astronaut crew to the International Space Station.
Rocket Lab aims to catch a falling booster with a helicopter for the first time ever this week, and a new video shows us how the action is supposed to go down.
See photos of Crew-4, the fourth operational astronaut mission that SpaceX is flying to the International Space Station for NASA.
SpaceX will launch the Crew-4 astronaut mission for NASA early Wednesday (April 27), and you can watch the action live.
Elon Musk, the billionaire SpaceX and Tesla CEO, will acquire Twitter for $54.20 per share in a deal worth about $44 billion.
NASA will roll its Artemis 1 moon rocket off the launch pad today (April 25) at about 5:30 p.m. EDT (2130 GMT), and you can watch the action live.
A SpaceX Dragon capsule carrying the four crewmembers of the Ax-1 mission splashed down off the coast of Florida today (April 25), bringing the groundbreaking flight to a close.
The first-ever all-private astronaut mission to the International Space Station (ISS) is about to head for home, and you can watch the departure live.
Astronomer Jay Pasachoff will talk about his December 2021 eclipse-chasing expedition to Antarctica tomorrow (April 23) at 8 a.m. EDT (1200 GMT).
OneWeb has found another replacement for the Russian-built rockets that used to launch its internet satellites.
Russia just performed the first full test launch of its next-generation intercontinental ballistic missile (ICBM).
Satellites operated by Maxar Technologies have spotted a recently excavated mass grave in the town of Manhush, about 12 miles (20 kilometers) west of the battered Ukrainian city of Mariupol.
A SpaceX Falcon 9 rocket lifted off for a record-tying 12th time on Thursday (April 21) — and aced its 12th landing as well.
Space.com caught up with climber Alex Honnold recently to discuss his latest documentary project, "Explorer: The Last Tepui," and his relationship with exploration and the night sky.
The Ax-1 astronaut mission will depart the space station on Saturday night, if all goes according to plan. The new date pushes the launch of SpaceX's Crew-4 mission to April 26 at the earliest.