Earth’s oxygenated atmosphere and magnetic field make life possible, but scientists have discovered that there’s a hidden ...

Every breath we take in contains 21% oxygen, the gas that makes life on Earth possible. Oxygen, in its combined oxide state, ...

Earth's magnetic field and oxygen levels have increased more or less in parallel over the past 540 million years, suggesting ...

Secular variation: The gradual change of the Earth’s magnetic field over time due to fluid motions in the core. Core flow: Movement of the electrically conductive fluid in the Earth's outer core ...

Thousands of years ago, Earth’s magnetic field underwent a significant power surge over a part of the planet that included the ancient kingdom of Mesopotamia. People at the time probably never ...

The intensity of Earth’s magnetic field is known to fluctuate over time, and crystals preserved in rock contain tiny magnetic particles that lock in a record of the intensity of Earth’s ...

the researchers created a timeline showing the ups and downs of Earth's magnetic field over time in Mesopotamia. Their research supported evidence for the "Levantine Iron Age geomagnetic Anomaly ...