Since the Cambrian period (541 million to 485.4 million years ago), the planet's magnetic field and the levels of oxygen have increased in parallel.

Earth's magnetic field and oxygen levels have increased more or less in parallel since the start of the Cambrian period (541 million to 485.4 million years ago), and both factors spiked between ...

Test your knowledge of the stunning Aurora Borealis with our 10-question quiz! Learn about the science behind the Northern ...

Northern Canada and Alaska will have the highest likelihood of viewing the phenomenon, once the sun sets in the state. A ...

A new NASA analysis indicates that over the past 540 million years, the Earth’s magnetic field and oxygen levels have followed very similar patterns. The movement of molten metal in the core of our ...

A geomagnetic storm will expand visibility of the aurora borealis Thursday and Friday nights. See maps of which states will ...

Small variations in magnetic fields can be environmental stresses Date: April 23, 2012 Source: Federation of American Societies for Experimental Biology (FASEB) Summary: We are surrounded by a ...

The Northern Lights may be visible in U.S. states after space weather experts at NOAA forecast a geomagnetic storm.

Michigan could observe the northern lights the night of Aug. 7 and Aug. 8, 2025, with a geomagnetic storm on its way. Here's a look at what to know.