Astronomy Cast Ep. 796: Oceans & Organics on Mars By Fraser Cain & Dr. Pamela Gay Streamed live on Jun 1, 2026. Mars is cold & dry today, but the evidence is growing that it used to be warmer & wetter. with seas & oceans that covered large parts of its surface. With the additional findings of the chemicals for life, the search for life on Mars is getting pretty interesting! New results from Perseverance and Curiosity describe a past Mars with complex chemistry and water. But did it have life? Background image credit: Kevin Gill This show is supported through people like you on Patreon.com/AstronomyCast In this episode, we'd like to thank: Andrew Poelstra, Burry Gowen, David, David Rossetter, Ed, Eric Lee, Gerhard Schwarzer, Jason Kwong, Jeanette Wink, Joe McTee, Michael Purcell, Sergey Manouilov, Siggi Kemmler