Long before galaxies sparkled in the sky or stars took shape, invisible forces stirred in the early Universe. One of those ...

Multi-year Event Horizon Telescope observations capture evolving polarization patterns around the supermassive black hole and reveal radio emission from the jet base.

The NASA Transient Region and Coronal Explorer (TRACERS) mission was launched on July 23, aiming to study the interaction between solar wind and Earth's magnetic field using two satellites. One ...

This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to audio speakers. Oh, and without it we’d live in eternal darkness.

Since the Big Bang, magnetic forces have existed as a natural force with the movement of charged particles. For a long time, scientists believed that these primordial magnetic fields (also known as ...

Letters to the editors for the May 2025 issue of Scientific American ...

For decades, scientists have puzzled over why lunar rocks show signs of strong magnetism when the moon itself has no global ...

Scientists in Korea have engineered magnetic nanohelices that can control electron spin with extraordinary precision at room ...

In the late 1980s, scientists realized they could understand the interior properties of the sun by observing the sound waves ...

New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — ...

Last night the northern lights were more in the northwest sky. If the northern lights do occur again tonight, it would be ...

The Earth’s magnetic field briefly collapsed, leaving life on Earth exposed to increased solar and cosmic radiation. This ...