A new study rewrites the story of human evolution, suggesting that intelligent life is not rare but a natural planetary ...
New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.
Astronomers have detected an exoplanet just twenty light years away that's residing in its star's habitable zone.
Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to ...
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Pale Blue Dot: The iconic Valentine's Day photo of Earth turns 35 today — and you're probably in itOn this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...
Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.
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