Ancient volcanic rocks reveal how two giant hot regions beneath Africa and the Pacific have shaped Earth's magnetic shield.
Terra Planet Earth on MSN
The day Earth almost lost its magnetic field: What kept the shield alive
Earth’s magnetic field nearly collapsed long ago. What saved it explains why life survived and why the planet remains ...
Earth’s magnetic field has long been framed as a planetary force field, a protective bubble that keeps the worst of the Sun’s radiation at bay. Increasingly, though, scientists are finding that this ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results