Learn how forces deep underground generate a protective bubble between us and space.

Over 40,000 years ago, Earth's magnetic field pulled a switcheroo, flipping its poles in a dramatic shift known as the ...

A new international study using ancient swamp kauri from Northland shows that Earth’s magnetic field flipped 42,000 years ago ...

A 42,000-year-old tree reveals Earth’s last magnetic pole flip, exposing the planet to deadly radiation. Scientists warn a ...