The best GPS units offer reliable navigation in even the most off-the-beaten-track areas, including topographical and off-road-specific maps, the ability to mark customizable rout ...

A Brazilian man narrowly escaped death after following his GPS navigation system into a frozen wilderness on the edge of Antarctica. Thiago Crevelloni was driving through Patagonia, Argentina, when ...

Now GPS is falling behind Europe’s Galileo and China’s Beidou global navigation satellite systems (GNSS ... % of the Earth’s surface covered by water, where there is no topography to ...

In use since ancient times, lighthouses have proven effective across centuries, despite their simplicity and encroaching ...

A recent study shows that earthquakes create complex sound waves in the ionosphere, which interfere with satellite signals, ...

A hiker stumbled upon a 74-year-old man’s body on a trail in Arizona, police said. The man was discovered dead after 4 p.m.

A tiny but crucial agency that maintains physical coordinates like latitude and longitude in the US is struggling as the ...

Scientists have, for the first time, detected a landslide-generated tsunami using satellite data from a research ship.

Scientists from Nagoya University have developed a 3D visualization of ionospheric disturbances caused by the 7.5-magnitude ...

During exercises in the Caribbean, a ship-launched AV Puma UAV was paired with an uncrewed surface vessel to search for ships ...

Cuts made by the Trump administration are threatening the function of a tiny but crucial office within the National Oceanic ...

A major cyberattack on the US electrical grid has long worried security experts. Such an attack wouldn’t be easy. But if an ...