Evolving intelligent life took billions of years − but it may not have been as unlikely as many scientists predicted
Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...
Research reveals how Earth got its ice caps
The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...
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Earth wouldn’t have ice caps without eroding rocks and quiet volcanoes
Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...
Earth’s First Oceans Were an Acidic Hellscape – Here’s What Happened Next
How did Earth transform from a hostile, acidic ocean world to one that nurtured life? Scientists at Yale and in Singapore ...