Astronomy Cast Ep. 754: K2-18b

https://www.youtube.com/watch?v=z34YkwKA6N0

Streamed live on Apr 28, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

You've heard the news! Astronomers are reporting the discovery of biosignatures at K2-18b. Is this proof of life or should we all be more skeptical? It's in the news and people are claiming aliens... but is it aliens? Let's see what the data actually says.

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