Imagine crossing vast oceans, soaring across continents, or tunneling deep beneath the earth—without ever getting lost. For ...

A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

Such reversals in the Earth's magnetic field, they'd tell you ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...

Until the arrival of GPS, the magnetic compass was the single most useful navigational tool ... and birds—are able to orient themselves relative to the Earth’s magnetic field. Among mammals, naked ...

Would a dramatic change in the Earth's magnetic field affect creatures that rely ... So they can sense it, but can they use it like we do a compass, to orient themselves? In another experiment ...