Alien: Do xenomorphs have eyes?

H.R. Giger's original creature design continues to frighten audiences decades after it debuted in "Alien," but does the ...
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Are aliens blinking at us like fireflies? 1967 pulsar clue reignites debate

When astronomers first picked up a perfectly regular radio heartbeat from deep space in 1967, some of them half-jokingly ...

The Pangolin’s Tongue: The Strangest Hunting Weapon in the Mammal World

Quick, imagine an animal tongue. What came into your mind? The flicking forked tongue of a snake? A cow licking a block of ...