Space Exploration/Travel

The space agencies for the U.S. and Russia agreed that a Russian spacecraft will fly next month to the International Space Station to retrieve three people, after a leak emerged on the…

The next generation of rockets built to launch U.S. spy satellites into orbit will have to be capable of fending off interference by China and Russia, according to people briefed on a coming…

LONDON—A Virgin Orbit VORB -8.53% Holdings Inc. rocket carrying satellites from the U.K. failed to reach orbit…

SpaceX is pushing to increase its flight rate this year as competitors work to debut new vehicles for the launch market. The rocket-and-satellite company Elon Musk…

Elon Musk ‘s acquisition of Twitter Inc. won’t be a distraction for SpaceX, NASA said it was told by a senior executive at the rocket company.…

The final leg of NASA’s inaugural Artemis mission is expected to unfold Sunday as the spacecraft the agency sent to orbit the moon tries to return to Earth.The crew module on the National…

NASA’s Artemis moon mission is set to conclude this weekend when the agency attempts to return part of the Orion spacecraft to Earth, a maneuver that will expose the vehicle to intense heat…

Elon Musk’s SpaceX is stepping up its efforts to win more national-security business after years of keeping its work under wraps.The Hawthorne, Calif.-based…

Jeff Bezos ‘s space company said it is making another run at the moon, after the National Aeronautics and Space Administration chose…

It all highlighted an aspect common to Mr. Musk’s ventures, what some closer observers call “Elon Standard Time.”  That somewhat-joking, somewhat-on-the-nose shorthand refers to…