We might have killed the only life we ever found on Mars - Big Think

In one experiment, the Viking landers added water to Martian soil samples. That might have been a very bad idea.

It's hard to say goodbye.' Quake-sensing lander dies on Mars, Science

Why signs of life on Mars remain so mysterious

How We'll Die on Mars: Solving Problems for Future Trips to Mars

A City on Mars by Kelly Weinersmith, Zach Weinersmith: 9781984881724

Humanity had already discovered ``creatures on Mars'' but may have accidentally killed them - GIGAZINE

Life on Mars?, Science

Did life on Mars cause its own extinction?

Mars Questions? We've Got Answers. – National Geographic Education Blog

A City on Mars: Can we settle space, should we settle space, and have we really thought this through?: Weinersmith, Kelly, Weinersmith, Zach: 9781984881724: : Books