What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

If humans vanished, evolution might not crown another primate. One unlikely marine predator has the brain, dexterity, and ...

Unlike other endangered species whose survival depends on habitat preservation or broader landscape-level risk reduction, the ...

The first tarot cards, from fifteenth-century Italy, were, essentially, playing cards. Known as carte de trionfi, the cards ...

If an alien intelligence were hiding somewhere on Earth, many scientists suspect it might look something like an octopus.