How high must a satellite orbit to stay perfectly synchronized with Earth’s rotation? 🌍 This video determines the exact orbital altitude required for a geosynchronous orbit, clearly explaining the ...

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 ...

United Launch Alliance’s Atlas V rocket returned to action Sunday with a mission to deploy multiple satellites into geosynchronous orbit for the National Reconnaissance Office and the US Space Force.

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling. China’s Shijian-21 ...

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 ...

An unknown number of satellites that are part of a new U.S. national security initiative to track objects from geosynchronous orbit (GEO) were deployed on Sept. 10 during one of the last Atlas V ...

It's been decades since humanity first sent a satellite into orbit, and during all this time we kind of become experts at it. What we still haven't mastered yet is extending the life of these ...

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 ...

Illustration of congestion in geostationary orbit. Credit: ESA/ID&Sense/ONiRiXEL; CC BY-SA 3.0 WASHINGTON — The U.S. Space Force will evaluate commercial alternatives to its bespoke military ...

Learn how geosynchronous orbits work and how to calculate the required orbital altitude. This video walks through the physics and equations that link orbital period, gravitational force, and ...