New 4G network could cause widespread GPS dead zones
GPS satellites not 'falling out of the sky': Air Force
You can put those maps away. The US Air Force has shot down fears that the space-based Global Positioning System (GPS) is going to crash.
US army seeks new technology to replace GPS
The US army is working to limit its dependence on GPS by developing the next generation of navigation technology, including a tiny autonomous chip, the director of the Pentagon's research agency said Wednesday.
China launches rival GPS satellite system (Update)
China has launched commercial and public services across the Asia-Pacific region on its domestic satellite navigation network built to rival the US global positioning system.
Seeing stars, finding nukes: Radio telescopes can spot clandestine nuclear tests
In the search for rogue nukes, researchers have discovered an unlikely tool: astronomical radio telescopes.
Soyuz rocket launches two Galileo satellites
A Soyuz rocket launched two Galileo satellites into orbit on Friday, marking a crucial step for Europe's planned navigation system, operator Arianespace announced.
Improving positioning indoors with imaging data
Whether you're walking, biking or driving, navigation systems can help you get from A to B - as long as you have a GPS signal. To find our way around large and complex buildings like hospitals or airports, ...
China's satellite navigation system live
China's home-grown satellite navigation system launched a limited positioning service Tuesday, the official Xinhua news agency said, as the country seeks to break its dependence on foreign technology.
New generation GPS satellite starts tests in Colo.
A $5.5 billion upgrade to the Global Positioning System moved a step closer to launch this week when a prototype arrived at a Lockheed Martin complex in Colorado to begin months of tests.
EU launches its first satellite navigation system
A Russian rocket launched the first two satellites of the European Union's Galileo navigation system Friday after years of waiting for the start of the program billed as the main rival to the ubiquitous American ...
Launch of EU's Galileo system set for Friday
The launch of the first two satellites for the European Union's Galileo navigation system was postponed until Friday - adding at least one more day to years of waiting for a program promoted as the main rival ...
Something new on the Sun: Spacecraft observes new characteristics of solar flares
(PhysOrg.com) -- NASA's Solar Dynamics Observatory, or SDO, has provided scientists new information about solar flares indicating an increase in strength and longevity that is more than previously thought.
Europe defends 'stupid' Galileo satellite
Europe stood by its much-delayed and over-budget Galileo satellite navigation system on Tuesday despite a rising price tag and a contractor's description of the project as "stupid." ...
Russian satellites crash into Pacific: space official
Three Russian navigation satellites crashed into the Pacific off the US state of Hawaii Sunday after the rocket carrying them failed to reach orbit, officials from the Russian space agency said.