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SpaceX is set to launch an advanced GPS satellite for the U.S. Space Force tonight, named in honor of Ellison Onizuka, an astronaut lost in the Challenger disaster.
The U.S. Space Force is celebrating its sixth anniversary, marking a period of rapid development for the nation's newest military branch focused on securing interests in space.
Military officials report weekly disruptions and surveillance of critical satellites, signaling a growing rivalry in space that threatens essential civilian systems like GPS.
The U.S. Space Force's secretive X-37B space plane is testing a quantum sensor for GPS-free navigation and a high-bandwidth laser communication system.
A 60-year mission to detect nuclear detonations from space is advancing with new technology from Sandia and Los Alamos national laboratories for U.S. GPS satellites.
The U.S. has upgraded its space-based nuclear detection network with a new generation of sensors designed by Sandia and Los Alamos national laboratories.
The U.S. has launched the final satellite for its current-generation nuclear detonation detection system, while the more advanced next-generation is set for 2027.
Modern physics reveals that space and time are not separate but are woven into a single fabric called space-time, a concept that explains gravity and is essential for technologies like GPS.
