It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and sizes. Bar magnets and horseshoe magnets ...

Earth’s core is transforming, which could affect the length of our 24-hour day, Earth’s magnetic field, and more ...

"This is the first solid evidence that helical magnetic fields can explain astrophysical jets at different scales ... the magnetic field showing a helix shape. | Credit: Rodríguez-Kamenetzky ...

If it weren’t for the magnetic field that surrounds our planet ... changes in their speed and direction provide loads of data on the likely makeup of the different layers. The rocky crust extends 5 ...

"This is the first solid evidence that helical magnetic fields can explain astrophysical jets at different scales, supporting the universality of the collimation mechanism," Adriana Rodríguez ...