"It's extremely urgent. These satellites, ACE, SOHO, DSCOVR, are all working beyond their design life," Richard Ullman, ...

An exclusive look at a Space Force training exercise offered rare insights into how the secretive branch is preparing to ...

Roth was standing at the edge of a cave in Pirkanmaa, Finland. Inside, he knew, was a geocache: a container that was stashed ...

Bryan Roth had been hiking and scrambling for a while, with drop-offs evident around him, when his guides held out coveralls ...

QinetiQ and Xona Space Systems have demonstrated how GPS navigation can be bolstered by using low Earth orbit (LEO) satellites, in the first UK tests of Xona’s new satellite navigation system, Pulsar.

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's IMAP and more.

The sun is in its most active phase—solar summer—causing auroras and posing real risks to satellites, GPS, and power systems ...

The United States launched the experimental GPS satellite NTS-3 in mid-August from Cape Canaveral Space Force Station, marking the first such launch in nearly 50 years.

Moscow’s breach of Russian airspace has left the military alliance on high alert. Experts tell Steffie Banatvala that it is ...

The Space Force operates the Global Positioning System satellite network to provide navigation services to ships, airplanes, ...

After launch, the three satellites will move into orbit in line with the sun and the Earth, enabling astrophysicists to ...

India's indigenous navigation system, NAVIC (formerly IRNSS), is being upgraded. Originally designed with seven satellites, ...