Impressive battery life, broad GNSS support, and an affordable price make Garmin's eTrex Solar a top-notch GPS tracker.

Researchers launched GPS-equipped plastic bottles into a Raleigh creek to track how local litter travels downstream, breaks into microplastics and threatens ecosystems and human health.

Long before satellites or sextants, Polynesian voyagers explored one of the largest bodies of water on Earth. They did this ...