For decades, astronomers have chased fleeting hints that something alive might be lurking beyond Earth, only to watch each candidate fade under scrutiny. Now a distant world called K2-18 b has ...
A breakdown of Exobiotica and its believable approach to alien evolution, anatomy and ecosystems.
The global dispersal of marine and estuarine crustaceans / James T. Carlton -- Human-mediated spread of alien crabs / Annette Brockerhoff and Colin McLay -- The global spread of the Chinese mitten ...