We just finished the year that marked the 30th anniversary of America’s Global Positioning System reaching full operational capacity. What began as a military tool to enable U.S. military forces to ...

Liftoff of the GPS III-SV09 mission occurred at 11:53 p.m. ET on Tuesday (Jan. 27). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

WASHINGTON — The U.S. Space Force has ended an exploratory effort to add smaller, lower-cost navigation satellites to bolster the Global Positioning System, shelving a program that had been identified ...

In September 2025, a Widerøe Airlines flight was trying to land in Vardø, Norway, which sits in the country’s far eastern arm, some 40 miles from the Russian coast. The cloud deck was low, and so was ...

Around 12,500 miles above our heads, the satellites that make up the Global Positioning System (GPS) quietly keep the world running. A blackout would result in almost instantaneous chaos. “You would ...

Many of us take navigation for granted; when we're lost, we simply pull out our phones and open Google Maps to find where we are. You could even ask Siri to give you directions if you don't want to be ...

The Space Force wants its next fleet of GPS satellites to be smaller, cheaper and more resilient — and it’s looking to a mix of commercial and defense firms to help design those spacecraft. Four ...

An outage or loss of GPS satellites is estimated to cost the U.S. military and economy upward of $1 billion a day. Pentagon leaders believe that estimate is conservative, leading the U.S. Space Force ...

The United States isn’t working quickly enough to replace its aging and vulnerable GPS system, according to the Pentagon’s former space policy chief. “We are falling behind. We aren't modernizing ...

Quantum compasses need six atom interferometers, each the size of a small room, to work. But scientists have made crucial steps to miniaturizing these devices. When you purchase through links on our ...