Earth's magnetic field may have been similarly as strong 3.7 billion years ago as it is today, pushing the earliest date for this planetary protective bubble back 200 million years.

Planet Earth 150,000-year history of Earth's magnetic field reveals clues about the climate when early humans were spreading out of Africa The Sun A mysterious, 100-year solar cycle may have just ...

Scientists convert Earth's magnetic field collapse from 41,000 years ago into chilling audio, revealing ancient cosmic ...

Measurements of the magnetic field at the earth's surface can tell only so much about the dynamo producing it in the planet's core. Geophysicists have now used precise astronomical position data ...

Earth's magnetic field made a rapid reversal about 41,000 years ago in less ... detailed Oct. 15 in the journal Earth and Planetary Science Letters,could shed light on how and why magnetic ...

These rocks offer evidence that Earth had a strong magnetic field 3.7 billion years ago, but scientists aren't sure where that field could've come from. A 3.7-billion-year-old record of our planet ...

Earth’s magnetic field was once 30 times weaker than it is today. This change may have played a pivotal role in the blossoming of complex life, new research found.

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed. What followed was a cascade of environmental and biological changes ...

“Questions about the Earth’s formation and habitability are the key drivers behind our study of these distant worlds.” For the study, the researchers incorporated a star’s stellar activity and ...

Earth’s magnetic field was once 30 times weaker than it is today. This change may have played a pivotal role in the blossoming of complex life, new research found.