Accurate smartphone positioning in dense urban environments remains challenging due to signal blockage, multipath effects, and unreliable satellite visibility. This study presents a new positioning ...

Accurate estimation of the ionosphere is essential for reliable Global Navigation Satellite System (GNSS) positioning, timing, and space weather applications. A key challenge lies in converting slant ...

Mexico’s Popocatépetl volcano has long drawn attention for its size, constant activity, and glowing plumes of smoke and ash, ...

The 26-foot-tall (8-meter-tall) cargo lander is expected to embark on its first flight during the first quarter of 2026, ...

Last year, Americans spent more than 300 billion minutes on navigation apps, like Waze or Google Maps.The GPS systems in our ...

Alaska Airlines is the latest airline to ground its planes because of an IT meltdown. We talked to industry leaders about why ...

A detailed view of the complex Idaeus Fossae valleys captured by Mars Reconnaissance Orbiter. (Image: NASA/JPL-Caltech/University of Arizona) Scientists have mapped ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

No audio available for this content. Trimble has released two positioning system portfolios for mobile mapping and direct georeferencing — Applanix POS LVX+ and Applanix POS AVX RTX — designed to meet ...

Kardium has won FDA approval for its Globe pulsed field ablation catheter to treat atrial fibrillation. The company also received 510(k) clearance for both the Globe Introducer sheath and the Globe ...

Nicole M. Bennett is affiliated with the Center for Refugee Studies at Indiana University. When the U.S. government signs contracts with private technology companies, the fine print rarely reaches the ...