Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...

So the constellations we see today are basically ... Our planet wobbles like a top, changing the direction of the North Pole. This is called precession. "The Egyptians used to have a different ...

Depending on your latitude, you can see those constellations and a few others every night as they make a tight circle around the North Star Polaris that shines above the Earth’s north pole.

Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.

It's time to recalibrate the navigation systems on ships, airplanes, as the position of the magnetic North Pole is officially being changed, continuing its shift away from Canada and towards Siberia.

Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.