There's a small chance this is one of the biggest findings in scientific history: turns out there's things that look surprisingly like tiny fungal puffballs on Mars, and they seem to grow.

Also, there seems to be something that looks like fungal growths on on rovers. Which as the authors' point out, could easily be contamination from earth. Even that would be a finding with huge implications: life growing on another planet. Sure, life we introduced. But still!
researchgate.net/publication/3

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@pete Reminds me of an undergrad astro course I once took. Prof explains the US used to sterilize everything we sent to Mars, but it cost 10x as much since the whole probe had to then survive autoclave temps.

Meanwhile the USSR didn't do likewise for lack of funding.

As a result, there's now an agreement among the astro community, that no one *has* to sterilize anything bound for Mars as it's been "contaminated" at this point.

No idea if that's true, but the story stuck with me.

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