Alien life could exist on hot, rocky planets, sustained not by water but by a type of...
Extraterrestrials
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If intelligent life exists beyond Earth, these beings may already know where we live.
A new study analyzes 12 events in which whales may have tried to communicate with humans.
Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to...
Seems unintuitive, but the mounting list of lifeless planets might be exactly what scientists need to figure...
In a theoretical study, researchers explored how a twin Earth with human-like life and technology might detect...
