A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a given location.
Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Without its magnetic field, life on Earth would not be possible ...
A high-resolution image of the magnetic field in the El Gordo cluster, including the Chandra X-ray image (blue part of the image), the NASA JWST infrared image (background galaxies of the image), and ...
Ancient bricks inscribed with the names of Mesopotamian kings have yielded important insights into a mysterious anomaly in Earth's magnetic field 3,000 years ago, according to a new study. Ancient ...
Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Nov 28, 2025, 07:59am EST Map of the strength of the Earth's ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Earth’s magnetic ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback