On Tuesday, two NASA astronauts who had been in orbit since June, Suni Williams and Butch Wilmore, splashed down in calm, ...

SpaceX launched yet another batch of its Starlink internet satellites to orbit from Florida this afternoon (March 18). A ...

In August, NASA officials decided that the Starliner spacecraft that had carried Ms. Williams and Mr. Wilmore to orbit would return to Earth empty. They then juggled astronaut assignments so that Ms.

The Los Alamos National Laboratory has introduced the "Spacecraft Speedometer," a novel technology for tracking satellites in ...

Why SpaceX, Rocket Lab, Arianespace made Fast Company's list of the most innovative companies doing work in space.

Greenhouse gases are doing more than warming our planet — they're reshaping space itself. As emissions cool and shrink the ...

SpaceX and other companies plan to launch tens of thousands of satellites, which could mar astronomical observations and pollute the atmosphere.

Chinese commercial launch company Galactic Energy successfully sent eight satellites into orbit early Monday with its light-lift Ceres-1 rocket. The Ceres-1 solid rocket lifted off at ...

The launch proceeded smoothly, with the rocket being monitored by the ground automated control system of the German Titov Main Test Space Center.

All the excess carbon dioxide generated by people burning fossil fuels is shrinking the upper atmosphere, exacerbating the ...