The magnetic barrier that protects Earthlings from radiation almost collapsed some 565 million years ago. Here’s what saved it.

ESA’s Swarm satellite mission has discovered a mysterious magnetic wave that "oscillates every seven years and propagates westward at up to 1500 kilometers (932 mi.) a year." Credit: ESA ...

Neutrinos are sometimes called “ghost particles,” because they are nearly weightless, rarely interact with any other matter, ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire. The compelling 2021 study tells ...

This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and more.

But never fear — this shape-shifting won’t directly affect life on Earth. Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our world from ...

Black holes have been fascinating subjects of study, not just because they are cosmic vacuum cleaners, but also as engines of ...