For years, NASA has monitored a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the ...

NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies above the planet, stretching out between South America and southwest ...

An unusual reduction in the strength of the Earth’s magnetic field between 591 and 565 million years ago coincided with a significant increase in the oxygen levels in the atmosphere and oceans, ...

Geologists discovered ancient rocks in Greenland that preserve the oldest known traces of Earth’s early magnetic field.

Earth’s magnetic field protects life from harmful cosmic radiation. But sometime between about 590 million and 565 million years ago, that security blanket seems to have been much thinner — with ...

Microscopic magnetic fossils found in North Atlantic seafloor sediments may represent components of an internal "GPS system" ...

Picture yourself standing at the Geographic North Pole with a compass in your hand. You'd expect that trusty needle to point ...

What if Earth had Jupiter’s magnetic field strength? Explore how stronger magnetic protection would affect life, technology, ...