Earth is surrounded by an invisible force field — a vast magnetic shield generated by molten metal churning deep inside the planet. This magnetic field protects us from harmful solar winds and cosmic ...

Over the past two centuries, humans have locked up enough water in dams to shift Earth's poles slightly away from the ...

An astrophysicist who spent time doing research at the South Pole gets to the bottom of how things feel at the ends of the Earth.

Dam construction since 1835 has caused Earth's poles to "wander" away from the planet's rotational axis because of the ...