Placing a magnet on your refrigerator might hold up your calendar, but researchers have now found that placing one outside a plasma chamber causes a localized, fireball-like structure. This work may ...

Cutting a bar magnet in half won't get rid of its poles. It'll just produce two magnets, each with a north pole that will be attracted to the other magnet's south pole, and vice versa. It's this ...

If Earth’s magnetic field resembles that of a bar magnet, Jupiter’s field looks like someone took a bar magnet, bent it in half and splayed it at both ends. The field emerges in a broad swath across ...