Geologists have pieced together an uncertain part of Earth’s ancient history. A team in Australia has found new evidence that suggests the cycle of supercontinents forming and breaking up only started ...

When we think about the Earth’s magnetic field, we often associate it with compasses and navigation. However, did you know that our planet’s magnetic field has a rich history of change, including ...

The geomagnetic field, generated by the convecting motions of Earth’s liquid outer core, is a fundamental facet of our planet’s evolution. Its long‐term behaviour is recorded in rocks through the ...

Robert Coe, professor of Earth and planetary sciences, was selected by the American Geophysical Union’s (AGU) Geomagnetism and Paleomagnetism section to receive the 2007 William Gilbert Award. Coe ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American With each challenge it encountered, the more ...

For decades, scientists have pondered the mystery of the moon's ancient magnetism. Based on analyses of lunar samples, its now-deceased magnetic field may have been active for more than 1.5 billion ...