What If on MSN
What if aliens actually brought life to Earth?
Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...
Snaiad's strange creatures and ecosystems continue to evolve in one of speculative biology's most convincing alien worlds.
Slurrp on MSN
If Aliens Landed Tomorrow, What Would They Eat?
A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.
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