Cut-away view of the Uranus-like / Neptune-like dynamo model. The tubes protruding from both masses represent their ...

In this short science demo, I show off ferrofluid, a liquid packed with tiny magnetic particles. Using simple magnets, I create dramatic spikes so you can actually see the invisible magnetic field in ...

Learn about Mars' defunct magnetic field, which may have sustained life on the planet and covered only its southern hemisphere over 4 billion years ago. Although the magnetic field of Mars hasn’t been ...

Did Mars once have a full magnetic field in its ancient past like Earth does today, or was it lopsided and only covered one-half of the planet? This is what a recent study published in Geophysical ...

This composite image of the primordial contact binary Kuiper Belt Object 2014 MU69 (nicknamed Ultima Thule) – featured on the cover of the May 17 issue of the journal Science – was compiled from data ...