The owner of the Las Vegas Spaceport west of the city plans to sell military-grade communications satellites to buyers who ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

Space station astronaut Don Pettit has shared a clip showing streaks of light created by SpaceX's Starlink satellites.

Telesat is building its Lightspeed satellite network to rival Starlink, with signed contracts and buyout appeal. Check out ...