Two million years ago, the solar system passed through a dense molecular cloud that changed the Earth’s climate.
A new study shows that the location of the Sun in space may influence the history of our planet much more than previously thought.
About two million years ago, the Earth was very different from what it is today. Our first human ancestors, just over a meter tall and completely covered in fur, lived alongside ferocious saber-tooth tigers, heavy mastodons and…
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