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 ...

IS4S and GPS Source win Army OTAs to build modular, next-generation positioning, navigation and timing systems for future ground platforms.

Built-in speedometers have been the standard method for measuring our driving speed since the early 20th century. These devices have seen some changes in the time since, including transitioning from a ...

A story claims a revolutionary skunk works built a quantum sensor that was used to locate a missing airman by reading his pulse from 40 miles away. But physicists say the laws of biomagnetism make ...

Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must agree, and you can watch ...

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