New devices navigate without the help of satellites or the risk of enemies jamming signals.

Modern warfare faces a critical challenge as GPS becomes unreliable due to jamming and spoofing. The Pentagon is exploring ...

A super-charged solar storm known as the “Gannon event” forced the Earth’s plasmasphere—a doughnut-shaped shell of charged particles that normally envelops the planet—to shrink to roughly one-fifth of ...

While many global road maps exist, few include detailed surface information or keep pace with rapid infrastructure change.

Extellis is a satellite imaging company founded by Michael Boyarsky out of the lab of Duke engineering professor David Smith.