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Billions of years ago, scientists believed Mars supported more than...

Astronomers have spotted one of the largest rotating structures ever...

How a word sounds can decide whether it lingers in...

A new study questions the assumption that people are naturally...

The idea that extreme heat could one day cause a...

European peaks form ancient corridors for birds seeking cool air,...

The idea of life continuing on Earth without humans is...

Giant anacondas reached their huge size very early and kept...

A person lies in an MRI scanner, watching rapid video...