En Busca de Vida Fuera de la Tierra

Science has been trying to answer one question for centuries: is there life beyond our planet? If the first cells appeared on Earth under specific chemical and environmental conditions, did the same thing happen elsewhere? Numerous theories have been developed on this subject, one of which, panspermia, suggests that microorganisms travel between planets, spreading life throughout the cosmos via meteorites and other natural vehicles. Miguel Ángel Sabadell reveals the numerous efforts made throughout history to solve this enigma. From rambling scientists who proposed new and outlandish theories to enormous antennas that track artificial signals from star systems. Astronomical data has even been analyzed in search of technosignatures--anomalies that only a technological civilization could produce--and sightings of unexplained aerial phenomena have been studied using scientific methodology to obtain verifiable evidence beyond isolated testimonies. "In Search of Life Beyond Earth" addresses the challenges faced by some of the most distinguished minds, such as creating messages that can be understood by non-human minds, rethinking our basic concepts of language and cognition, and sending probes to Mars to perform chemical tests on rocks and soil in search of organic molecules and microbial traces. What are extraterrestrials like? How would humans react to their appearance? Have they already visited us? Will our search for life be endless?