A hidden change in Arctic geography may have disrupted the ice age rhythm and transformed the global climate over thousands ...
For 56 million years, Earth appears to have lurched between two extremes that are hard to picture together: a planet sealed in global ice, then a world hot enough to strip carbon dioxide from the sky ...
New research suggests Earth’s climate can swing wildly on surprisingly short timescales — even during hot, ice-free ...
To an astronaut today, the Earth looks like a vibrant blue marble from space. But 700 million years ago, it would have looked like a blinding white snowball. This seems an unlikely cradle for life, ...
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