For decades, scientists have known that migratory birds use Earth’s geomagnetic field—along with light, stars, and other cues—to guide them on remarkably long journeys. But it is unclear just how ...

Loggerhead sea turtles (Caretta caretta) can learn to associate food with the geomagnetic signatures of various oceanic regions, suggesting that they are able to find known foraging areas using an ...

Here's how to make a magnetic compass that points north using the amazing invisible force of magnetism. And there are only a few things that we need:A long large needle, a piece of cork carefully ...

The monarch butterfly uses a magnetic compass to guide its extraordinary migration thousands of km across North America, scientists say. Monarchs are known to possess a Sun compass but even on cloudy ...

New research is revealing that baby sea turtles do not simply drift on ocean currents during their first epic journey. Instead, they carry a built‑in magnetic sense that lets them read Earth’s field ...

In the days since GPS was invented, many of us have lost the skill of navigating by a good old compass and map. As a family ...

An optical illusion, or visual illusion, is a visually perceived image that differs from objective reality. This type of illusion makes the brain's interpretation of an image that does not match the ...