Earth’s magnetic field took 70,000 years to complete an ancient reversal
North Atlantic sediments record two magnetic reversals lasting approximately 18,000 and 70,000 years, longer than commonly assumed.The findings…
Scientists find evidence for several Earth axis shifts during the age of dinosaurs
A new study finds evidence that Earth may have undergone several episodes of rapid true polar wander during…
New tool tracks lost continents and moving plates over the last 320 million years
Latitude shapes climate in a basic but powerful way. It controls the angle of sunlight, which helps decide…
Asteroid Ryugu fragments carry a magnetic record from the birth of the solar system
A small, round piece of asteroid Ryugu (sample #91), called “S-lunar,” contains tiny particles (less than 1 mm)…
Earth’s magnetic poles once took 70,000 years to reverse
Earth’s magnetic field does not simply switch direction like a flipped light switch. It weakens, wanders, and reorganizes…