Researchers have sonified the sounds of the Earth's magnetic field reversing 780,000 years ago.
Dams constructed around the world over the last two centuries have had an impact on the planet's poles.
Scientists have, for the first time, detected a hurricane taking place in the Earth's upper atmosphere.
Thanks to a weakening of the Earth's magnetic field, the magnetic north pole is moving away from Canada.
Our planet's magnetic north pole is reportedly moving towards Siberia at a rate of 34 miles per year.
The openings, which were found near the Moon's north pole, could lead to an extensive network of tunnels.
Scientists are planning to sail a research vessel to the Arctic so it can get stuck in the ice on purpose.
A newly discovered species of seagull-like bird lived at a time when the Arctic was as warm as Florida.