Magnetism

Latest about magnetism

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The north magnetic pole is leaving Canada for Siberia. These 'blobs' may be the reason why.

By Laura Geggel published

While the blob under Canada has weakened, the blob under Siberia has strengthened.

Planet Earth
A photo shows the cliffside in Japan's Chiba prefecture that's part of a line of sediment that recorded the geologic history of the planet between 770,000 and 126,000 years ago.

Earth has a new geologic age: The Chibanian

By Rafi Letzter published

It's all thanks to a cliff by a river in Japan.

Geology
Earth’s magnetic field protects us from the solar wind by deflecting the charged particles.

Ancient Australian Crystals Unlock History of Earth's First Magnetic Field

By Rafi Letzter published

It was a lot more powerful than anyone believed.

Archaeology
An illustration shows a small neutrons star surround by a disk of loose material.

First-of-Its-Kind Neutron Star Flashes Bizarre 'Cyclotron Line' at Earth

By Rafi Letzter published

Neutron stars have never been caught behaving this way before.

Astronomy
A group of penguins gather on the ice in Antarctica.

How Do Compasses Tell Which Way Is North at the South Pole?

By Chia-Yi Hou published

As compasses draw closer to the magnetic North and South Poles, they become less reliable.

Planet Earth
A representation of Earth and its magnetic field.

Earth's Magnetic Poles Can Flip Much More Often Than Anyone Thought

By Yasemin Saplakoglu published

Earth's magnetic field flipped 26 times every million years during the Cambrian period, the highest frequency ever documented.

Planet Earth
Around Earth, an invisible magnetic field traps electrons and other charged particles.

What If Earth's Magnetic Field Disappeared?

By Stephanie Pappas published

Earth's magnetic field is weakening, but it's not the end of the world.

Planet Earth
Artist's Rendering of an Outburst on a Magnetar

Magnetars Can Crack Themselves Open and Bombard Earth with Gamma-Ray Flares, New Theory Suggests

By Rafi Letzter published

Three giant gamma-ray flares have been detected in the last 40 years. A new paper on magnetars cracking themselves open could explain why.

Astronomy
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Epic 'Terminator' Events Could Result in Gargantuan Solar Tsunamis, New Studies Suggest

By Brandon Specktor published

What causes the sun's 11-year cycle of sunspot activity? According to two new studies, it could be literal tsunamis of plasma.

The Sun
The permanently magnetized liquid droplets spin in perfect unison.

In a Lab Accident, Scientists Create the First-Ever Permanently Magnetic Liquid

By Yasemin Saplakoglu published

These liquid droplets can morph into various shapes and be externally manipulated to move around.

Physics & Mathematics
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