WASHINGTON — United Launch Alliance plans to begin 2026 with a national security mission as its Vulcan Centaur rocket ...

SpaceX is set to launch a Falcon 9 rocket carrying two Intelsat satellites on Saturday morning. The launch is scheduled for 11:06 a.m. and has a launch window of 120 minutes. The INTELSAT G-31/G-32 ...

HELSINKI — China appears to have considered boosting its space situational awareness capabilities by placing a satellite in a retrograde orbit out at the geostationary belt. A paper published in ...

Geosynchronous Synthetic Aperture Radar (GEO SAR) systems represent a promising frontier in Earth observation technology, offering continuous monitoring of specified regions with exceptionally short ...

Scientists have demonstrated a capability long sought by physicists: transmitting extremely precise time signals through the air between far-flung locations at powers that are compatible with future ...