From Democritus to the James Webb: The Quest for Extraterrestrial Life

To the point

Humans have long wondered whether we are alone, a curiosity spanning ancient ideas to today’s science, which searches for life beyond Earth by studying exoplanets, examining atmospheres for biosignatures like oxygen or methane, and sending missions or listening for signals, while the number of possible intelligent civilizations remains uncertain and no alien has been confirmed, highlighting the vastness of the cosmos and our deep urge to understand our place in it.