The OEO satellite promises a geosynchronous orbit around the equator, low latency, and a drastic cut in costs—using readily available technology. Thousands of satellites have been deployed during ...

Observing the effects of special relativity doesn't necessarily require objects moving at a significant fraction of the speed of light. In fact, length contraction in special relativity explains how ...

SpaceX has made trips to orbit routine. Satellites in orbit are vital to the modern world. Here's what you need to know about how we send things whizzing around the Earth. Stephen Shankland worked at ...