The magnetic north pole is once again on the move, and this time it’s edging even closer to Siberia. Scientists have just released an updated version of the World Magnetic Model (WMM), marking the ...

Updating Aeronautical Charts: As magnetic declination changes, aeronautical charts, which pilots use to plan flights, would need to be updated to reflect the new magnetic reference points. This could ...

The Earth, with its constantly moving molten iron core, is surrounded by a vast and glorious magnetic field. It’s as much a part of the planet as the oxygen or water that it protects, shielding ...

This image shows magnetic declination, or the angle between magnetic and geographic north, according to the World Magnetic Model released in 2025. Red is magnetic north to the east of geographic north ...

“It remains to be seen whether birds use the total intensity of the Earth’s magnetic field for navigation in other contexts, but what we’ve shown is that these two components – magnetic inclination ...

Many migratory birds use Earth’s magnetic field as a compass, but some can also use information from that field to determine more or less where they are on a mental map. Eurasian reed warblers ...

If magnetic north lies directly between you and true north, then you’ll have a declination of zero. But in most areas, you’ll have to add or subtract to what your compass reads as north.

The Earth’s magnetic field plays a crucial role in this process, guiding them in the right direction. But what truly puzzles researchers is how the birds know when it’s time to stop.

Various designs have come and gone since then, but the most enduring incarnation of the modern magnetic compass was invented in Sweden. In 1932, Björn Kjellström, along with his two brothers Alvar and ...

Understanding Declination: True North vs Magnetic North. The difference between True North (toward the North Pole, and usually the top of a map) and Magnetic North ...