Earth's Core
Scientists Find Evidence of Another Core Within Earth's Center
The newly proposed layer might have a different structure from the rest of the inner core
The Spin of Earth's Inner Core May Be Changing, Scientists Say
A new study finds our planet's iron center shifts between spinning slightly faster and slightly slower than the surface—but not all experts agree
Mars InSight Lander Offers a Sneak Peek at the Red Planet's Inner Layers
The robotic explorer was sent to Mars to study its formation—and the data is now making its way back to Earth
Earth's Magnetic Field Could Take Longer to Flip Than Previously Thought
New research suggests a polarity reversal of the planet takes about 22,000 years, significantly longer than former estimates
Planetary Smash-Up May Have Produced This Distant Iron Exoplanet
Computer simulations suggest Kepler 107c could have been formed when two rocky planets collided, stripping it down to its metal core
Magnetic North Is Cruising Toward Siberia, Puzzling Scientists
It has drifted so far that scientists made an emergency revision to the World Magnetic Model
Earth's Mysterious Hum Recorded in the Deep Sea for the First Time
The discovery could help unlock the planet's deepest secrets
How Does Earth's Geomagnetic Field Work?
You asked, we answered
This Magnetic Map Shows Earth as You’ve Never Seen It Before
Behold a new, super high-res view of Earth’s magnetic field
Humble Magnesium Could Be Powering Earth's Magnetic Field
The common element could have been driving the planet's dynamo for billions of years
Is Global Warming Changing How Fast the Earth Spins?
New research suggests that as glaciers melt, the planet's axis is shifting
Earth’s Magnetic Field Is at Least Four Billion Years Old
Tiny grains of Australian zircon hold evidence that our magnetic shielding was active very soon after the planet formed
Happy Birthday to Inge Lehmann, the Woman Who Discovered Earth's Inner Core
Pioneering geologist used earthquakes to unravel the mystory of the Earth’s core
Earth May Have Become Magnetic After Eating a Mercury-Like Object
Swallowing a sulfur-rich protoplanet could help explain two lingering mysteries in the story of Earth's formation
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