For a period hundreds of millions of years ago, Earth’s magnetic field displayed an enigmatic and intensely erratic behavior, characterized by shifts so wild and seemingly chaotic that they have long perplexed researchers, standing apart from any other observed era. However, groundbreaking new research now proposes that this apparent disorder was not merely random; instead, it likely concealed a more profound, globally organized structure within the magnetic field.
Earth’s Magnetic Field Went Wild 600 Million Years Ago, But Scientists Finally Know Why

