Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

WASHINGTON — Rhea Space Activity, a Washington, D.C.-based space technology startup, has raised $6 million in a Series A funding round to advance navigation software designed to operate without GPS, ...

In this episode of Space Minds, Mike Gruss sits down with Fang Qian to discuss the future of GPS satellites. They chat about ...

You’re probably not going to hang out around Chernobyl any time soon. Still, knowing the conditions there can both satisfy ...

FAA data shows GPS signal loss jumped 65% as interference spreads beyond conflict zones. New guidance outlines growing risks ...