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In honor of 'Project Hail Mary'’s Rocky, we celebrate 17 sci-fi aliens who look nothing like humans

Because there's more to extra-terrestrial life than humans with prosthetics stuck to their foreheads.
Discover Wildlife

It’s a slimy, prehistoric grisly parasite with the mouth of an alien. And two fearless photographers are obsessed with finding it

The sea lamprey is not a creature with mass appeal, yet there is something about this ancient and mysterious eel-like fish ...