The puzzling and powerful polar vortex faces 'big uncertainty' as Earth warms
The polar dance that caused snow to fall across the South in January has been studied for decades, but scientists still hope ...
Polar vortex makes much of US colder than Greenland, but warmth is coming. Then more cold
The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.
Earth’s magnetic north pole is on the move, and scientists just updated its position
Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.
PBS12y
When Compasses Point South
The Earth is not alone in this fickleness: The sun's magnetic shield appears to reverse its polarity approximately every 11 years. Even our Milky Way galaxy is magnetized, and experts say it ...
La Brújula Verde2d
Polar Ice Caps Are a Rarity in Earth’s Geological History, the Result of a Series of Coincidences, Scientists Say
A new study led by a team of scientists from the University of Leeds has revealed that the cold conditions that have allowed ...