Scientists have found what appear to be fossils resembling plankton inside of a meteorite that landed in Sri Lanka in 2012.  It’s certainly not conclusive, as there’s even the possibility this meteorite was ejected from this planet in some larger impact long ago and just now fell back…but it’s an intriguing possibility.  I think we’ll need many, many more examples of this before it starts to gain scientific credibility.

(via Extremetech)