Artistic impression of European Data Relay Satellite (EDRS) system (not to scale). These satellites work in GEO and relay data to and from non-GEO satellites, spacecraft, and stations that aren’t ...

TAMPA, Fla. — SpaceX launched EchoStar’s more than nine metric ton Jupiter-3 spacecraft July 28 and successfully dropped off the world’s heaviest commercial communications satellite in geosynchronous ...

A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day).

Liftoff of the "Commercial GTO-1" mission occurred at 1:04 a.m. EDT on Sunday morning (July 13). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A startup space company says it has successfully deployed and tested a kitchen-stove-sized satellite in geostationary orbit and begun delivering Internet service to Alaska. Earlier this month, the ...

The moon is a popular target for ham radio operators to bounce signals since it’s fairly large and follows a predictable path. There are some downsides, though; it’s not always visible from the same ...