Scurvy, Bird Flu and an Ancient Meteorite HitA massive meteorite impact 3 billion years ago contributed essential nutrients for the evolution of early life on Earth.
We Usually Think of Evolution as Happening on Earth. But Space Rocks Have Shaped Life More Than You Can Imagine.Earth may have had a ring of debris around it 465 million years ago, impacting ecological development.
Earth May Have Had a Ring Like Saturn OnceEarth had a ring system 466 million years ago during a global cooling event known as the Hirnantian Icehouse.