According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, there’s life out there somewhere.
Articles on Drake equation
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The technology of an advanced alien civilization is likely to produce many signs that could be detected across the vastness of space. Two astronomers explain the search for technosignatures.
Research on exoplanets over the next couple of decades could help us more accurately estimate how many intelligent alien civilisations there are in our galaxy.
