{"id":16228,"date":"2026-06-12T23:19:38","date_gmt":"2026-06-12T21:19:38","guid":{"rendered":"https:\/\/www.colours.cz\/ucinkujici\/kolikrat-jsme-nenasli-mimozemsky-zivot\/"},"modified":"2026-06-12T23:20:28","modified_gmt":"2026-06-12T21:20:28","slug":"kolikrat-jsme-nenasli-mimozemsky-zivot","status":"publish","type":"program","link":"https:\/\/www.colours.cz\/en\/ucinkujici\/kolikrat-jsme-nenasli-mimozemsky-zivot\/","title":{"rendered":"How Many Times Have We (Not) Found Alien Life?"},"content":{"rendered":"\n

How would we react if such a discovery were announced tomorrow? We may already know the answer, because there have been many supposed discoveries of extraterrestrial life that were later challenged or disproven. From the fascination with Martian canals believed to be artificial structures, through the alleged detection of lichen spectra on Mars, mysterious radio signals, and intriguing structures found in the Martian meteorite ALH84001, to the recent claims surrounding the \u201calgae planet\u201d K2-18b. How did these claims arise, and can we ever be completely certain that we have found life beyond Earth?<\/p>\n\n\n\n

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Are we alone in the Universe? Few questions capture the human imagination more than the search for life beyond Earth. And whenever someone claims that extraterrestrial life has finally been found, it inevitably attracts attention.<\/p>\n","protected":false},"featured_media":16224,"menu_order":0,"template":"","meta":[],"program-year":[456],"program-category":[427],"program-genre":[],"program-country":[256],"class_list":["post-16228","program","type-program","status-publish","has-post-thumbnail","hentry","program-category-meltingpot-programme","program-country-cesko-en"],"yoast_head":"\nHow Many Times Have We (Not) Found Alien Life? - Colours of Ostrava<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.colours.cz\/en\/ucinkujici\/kolikrat-jsme-nenasli-mimozemsky-zivot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Many Times Have We (Not) Found Alien Life? - Colours of Ostrava\" \/>\n<meta property=\"og:description\" content=\"Are we alone in the Universe? Few questions capture the human imagination more than the search for life beyond Earth. And whenever someone claims that extraterrestrial life has finally been found, it inevitably attracts attention.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.colours.cz\/en\/ucinkujici\/kolikrat-jsme-nenasli-mimozemsky-zivot\/\" \/>\n<meta property=\"og:site_name\" content=\"Colours of Ostrava\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-12T21:20:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.colours.cz\/wp-content\/uploads\/2026\/06\/Julie_Novakova-scaled-e1781298937866.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"2560\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How Many Times Have We (Not) Found Alien Life? - Colours of Ostrava","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.colours.cz\/en\/ucinkujici\/kolikrat-jsme-nenasli-mimozemsky-zivot\/","og_locale":"en_US","og_type":"article","og_title":"How Many Times Have We (Not) Found Alien Life? - Colours of Ostrava","og_description":"Are we alone in the Universe? 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