Regular followers of space news will know that when satellites or space probes reach the end of their life, they either are de-orbited in a fiery re-entry, or they stay lifeless in orbit, often in a ...

JACKSONVILLE, Fla. — Fifty years ago, on Oct. 24, 1975, meteorology took a monumental leap forward when GOES-1 (Geostationary Operational Environmental Satellite), the world’s first geostationary ...

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 ...

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).

Sunday 11am ET Update: In response to a query from Ars, the AMC-9 satellite’s operator, Luxembourg-based SES, issued the following statement on Sunday morning: In the early hours of 1st July, the SES ...