Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.
In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...
By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.
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