Was the emergence of intelligent life on Earth just a fluke? Some scientists think not
All this happened about 4.5 billion years after Earth formed, with innumerable steps occurring in between that made our ...
Evolving intelligent life took billions of years − but it may not have been as unlikely as many scientists predicted
Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability, a new study pushes back.
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Alien lifeforms likely to be human-like as new research throws old theory on its head
Aliens probably look just like we do, a new study suggests. This is because scientists now believe life on Earth evolved in a ...
Does planetary evolution favor human-like life? Study ups odds we're not alone
Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to ...