Sometimes it’s fossils, and sometimes it’s just a handful of ancient Tic-Tacs.
Just what was the final word on those supposed Martian fossil bacteria, anyway?
YAWN!
Check the abstract at the link.
I don't know about the bacteria, but some jerk carved a fake plant fossil on Mars that pissed NASA off so much that they ground it up. Served those frauds right, endangering the legitimacy of such an expensive space mission like that with some fossil prank. /s