Searching for Life on Earth and in Our Galaxy

Three stories take a look at the struggles of finding extraterrestrial life as well as life on Earth.

IMAGE: An artistic representation of the potentially habitable planet Kepler 422-b (left), compared with Earth (right). CREDIT: Ph03nix1986 / Wikimedia Commons

Everything we study about our planet, our solar system, and even exoplanets seems to come back to one big question: Are we alone? It’s a huge question, really. Perseverance is looking for evidence that Mars had life. Phosphine was in the news last year because it could have been a…

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Beth Johnson

Beth Johnson

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Planetary scientist, podcast host. Communication specialist for SETI Institute and Planetary Science Institute. Buy me a coffee: https://ko-fi.com/planetarypan