This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of ...

Imagine seeing someone behind you as you make your way home from school. At first, you think it’s nothing. But after five or ...

Explore the top 10 most secure prisons in the world where escape is impossible. Read how these facilities maintain extreme ...

From the phallus on a Welsh hillside, to a huge portrait of Chappell Roan, these Strava runners, riders and skaters have been busy ...

Invasive brown tide algae, responsible for a massive 2016 fish kill, is threatening the Indian River Lagoon's seagrass recovery. Excess algae blocks sunlight to seagrass, leading to oxygen depletion ...

This satellite, designated GPS III SV-08 (Space Vehicle-08), will join the Space Force's fleet of navigation satellites beaming positioning and timing signals for military and civilian users ...

Aircraft rely on the Global Navigation Satellite ... on the aircraft. GPS jamming involves saturating the receivers with unknown signals, rendering them useless. Jamming blocks the signals with ...

The collar is crafted so that the two weight blocks I mentioned submit to gravity ... even though the final location was received five minutes late. GPS dog fences require a fairly high degree of ...

GPS II blocks included five different configurations by 2005, with new signal tools incorporated into every satellite launched since approvals for new systems were finalized in 2000. In 2008 ...

SpaceX holds a contract to launch three of these GPS-3 satellites for the U.S. military and had already sent one of them aloft, in January 2023. The Falcon 9's first stage came back to Earth about ...

Abstract: Due to obstructions such as trees and buildings, single-modal satellite or aerial images are insufficient ... from high-resolution remote sensing images (HRSIs) and GPS trajectory/LiDAR ...

The Space Force is targeting $50 to $80 million per satellite — a fraction of the $250 million it costs for just one Lockheed Martin-build GPS IIIF spacecraft. That lower unit cost will allow ...