Low Earth orbit is starting to look less like pristine frontier and more like a crowded scrapyard, packed with dead satellites, spent rocket stages, and fragments that no longer serve any purpose.

Kepler, based in Canada, recently launched the first tranche of its optical data relay constellation. The deployment includes 10 satellites equipped with high-capacity laser terminals and on-orbit ...

China’s army has put a spectacular new concept on the table: a vast, triangular “space aircraft carrier” that looks like it ...

The Japanese space agency JAXA is studying use of inflatable aeroshells to enable landings of small Mars rovers. Credit: ISAS/JAXA WASHINGTON — An institute in Japan’s space agency is pursuing a ...

Visualized Neural-Rendezvous trajectories for ISO exploration, where yellow curves represent ISO trajectories and blue curves represent spacecraft trajectories. Credit: University of Illinois at ...