For as long as humans have looked toward the stars, one question has remained unanswered: how did life begin? Scientists have ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

This documentary explores the fascinating scientific quest to find intelligent alien life, discussing methods ranging from radio wave and laser detection to technosignatures, Kardashev civilization ...

From the physical world to the biological universe: Democritus to Lowell -- Plurality of worlds and the decline of anthropocentrism -- Life in the solar system: the limits of observation -- Planetary ...