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

Earth’s magnetic field seems to correlate with conditions that helped complex life to thrive — a discovery that could aid the search for life on distant exoplanets.

But Gallet, of France’s Institut de Physique du Globe de Paris, had his face turned toward the rocks with one goal in mind: deciphering the history of Earth’s magnetic field. This protective ...

The field of a cylindrical magnet comes out of the end of the magnet and then loops ... As the iron rusts, it combines with and removes oxygen from the air trapped in the bottle. To prevent the bottle ...

For decades, scientists have been trying to understand why some rocks on the moon are strongly magnetized even though the moon has no magnetic field today. "The majority of the strong magnetic ...