Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters it from the natural onslaught…
One of the most interesting discoveries about Earth in the past few decades concerns the Earth's magnetic poles. Paleomagnetic records…
Auroral activity on Earth varies over time. As the magnetic poles drift, auroras can appear at different latitudes around the…
Wind the cosmic clock back a few billion years and our Solar System looked much different than it does today.…
Every 200,000 to 300,000 years Earth's magnetic poles reverse. What was once the north pole becomes the south, and vice…