The three satellites, designated Kosmos 2581, 2582 and 2583, launched on a Soyuz-2.1V rocket from Plesetsk cosmodrome early ...

They called the object the “Black Knight Satellite” and ... the thermal covering’s silhouette. There it was, a shadowy and mysterious object floating in outer space above a cloudy planet.

Astronomers are racing to protect the dark skies as private companies seek to place large advertisements in Earth orbit ...

DARPA, the U.S. military’s advanced research agency, is funding space laser projects amid simmering concerns that America’s strategic adversaries are already developing this satellite ...

"They are practicing tactics, techniques, and procedures to do on orbit space operations from one satellite to another." Guetlein stressed the U.S. must maintain its edge in space, particularly ...