Add Yahoo as a preferred source to see more of our stories on Google. A Russian satellite once used to inspect other spacecraft appears to have disintegrated in a graveyard orbit high above the Earth, ...

India’s space agency says a valve failure prevented a navigation spacecraft launched more than a year ago from raising its ...

Astroscale is building a refueling vehicle, partially funded by the Space Force, and preparing for its first mission in geostationary orbit. The spacecraft, called Provisioner, will attempt hydrazine ...

Geostationary orbit simulation in GlowScript VPython: a practical tutorial that demonstrates orbital mechanics and physics-based visualization of satellites maintaining a fixed position relative to ...

Small geosynchronous Earth orbit (GEO) satellites have been an increasingly discussed design trend in the industry, boasting the same regionalized scope as traditional GEO models at a price point ...

No audio available for this content. The Indian Space Research Organisation (ISRO) has encountered a significant setback with its recently launched NVS-02 navigation satellite. Launched on Jan. 28, ...

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 ...

A recently launched satellite is stuck in space after failing to fire its thrusters, preventing it from reaching its operational orbit. The Indian Space Research Organization (ISRO) shared an update ...