Bar magnets and horseshoe magnets are two of the most common shapes of magnet. The magnetic field is shown by lines with arrows that point from north to south. You can tell how old some coins are ...

A breakthrough simulation reveals how magnetars form and evolve, solving a key mystery about their magnetic origins.

Explaining the science behind the northern lights, and why 2025 could bring more opportunities to see them. #ExtremeNature ...

How do magnets work? Discover the science behind magnetism, from electron movement to magnetic domains, and learn how magnets ...

They follow the magnetic field lines and, therefore ... which is the opposite of what happens in magnets. The field is also ...

Reader Jayant Bhalerao, a college physics instructor, found the story useful in class: “We will share it with our students, so that they can appreciate how ...

Given the importance of this gargantuan bar magnet in our day-to-day lives, it’s worth understanding how it works — and when it doesn’t. Since the magnetic field is sustained by geological activity ...