Even magnetic phone accessories can interfere with accuracy. ... it’s likely the compass is struggling to establish direction. Fortunately, GPS data typically takes over once you start walking.

A species of Australian moth travels up to a thousand kilometers every summer using the stars to navigate, scientists said ...

Compass apps haven’t changed much over the last ten or so years. They use your device’s accelerometer to detect direction. They sometimes need calibration, and magnetic cases can mess with them.

A species of Australian moth travels up to a thousand kilometers every summer using the stars to navigate, scientists said ...