Spoiler alert: every second, Earth’s magnetic field deflects about 1.5 million tons of material ejected from ... the solar wind and forms a protective shield is called the magnetosphere.

When an electric current passes through a metal wire, a magnetic field forms around that wire ... Although it may seem counterintuitive, material from the liquid outer core slowly "freezes ...

A permanent magnet is always magnetic. 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 ...

Astronauts and spacecraft face constant bombardment from high-energy radiation, posing significant risks to both human health ...

Without its magnetic field, life on Earth would not be possible since this shields us from harmful cosmic radiation and charged particles emitted by the Sun, a steady stream known as solar wind.