Even when Earth was locked in its most extreme deep freeze, the planet’s climate may not have been as silent and still as ...

Throughout Earth’s long and dynamic history, the climate has shifted dramatically. Ice ages have come and gone, shaping the planet and leaving scientists and historians alike wondering about their ...

Over 2.4 billion years ago, Earth entered one of the most extreme climate events in its history — the Huronian Glaciation. For up to 300 million years, vast ice sheets covered the planet in what may ...