The Beresheet lunar lander scattered tardigrades all over the moon when it crashed: https://www.wired.com/story/a-crashed-israeli-lunar-lander-spilled-tardigrades-on-the-moon/
As Shannon Stirone said on Twitter, "And thus began the story of how the tardigrades took over the moon."
If you don't know about the incredible creatures that are tardigrades, you can start your rabbit hole adventure here: https://www.americanscientist.org/article/tardigrades
Originally posted on Facebook.