Roughly 42,000 years ago, Earth’s magnetic field weakened dramatically during the Laschamps geomagnetic excursion, allowing more cosmic radiation to reach the atmosphere. In a peer‑reviewed study of ...

NASA scientists, including many from NASA’s Jet Propulsion Laboratory, Pasadena, California, are crisscrossing the globe in 2017 — from a Hawaiian volcano to Colorado mountaintops and west Pacific ...

Researchers have identified a period of sluggish magnetic field flipping for planet Earth, some 40 million years ago – ...

The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

Earth's magnetic poles flip in a process called a geomagnetic reversal. The planet's magnetic field is generated by chaotic flows of molten metal deep inside Earth's core.

Researchers studying the deep biosphere, Earth’s largest ecosystem, have found evidence that life thriving miles below the ...

The Earth's liquid molten outer core, composed mostly of iron and nickel, exerts an electromagnetic field extending from the north and south pole that protects the planet from harmful solar particle ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's magnetic field is like an invisible shield that protects our planet from solar and cosmic radiation. While it might not be ...

Anaheim, Calif., USA: Field trips are a vital component of experiential learning in the earth science community, offering hands-on opportunities for students, professionals, and community members to ...