A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a quarter-century old, primarily dead rockets left to hurtle through space at the end ...

An artist’s conception shows the Blue Ring space platform in orbit. (Blue Origin Illustration) Jeff Bezos’ Blue Origin space venture is among six companies that will be producing studies for NASA ...

Illustration of congestion in geostationary orbit. Credit: ESA/ID&Sense/ONiRiXEL; CC BY-SA 3.0 Space is changing, fast. Thousands of new satellites are going up each year. Thousands of new satellites ...

The agency has cheaper and farther-reaching missions in its sights. NASA is asking six companies to help the agency move spacecraft between difficult-to-reach orbits. The agency recently awarded a ...