Fossilised Bacteria in Meteorite From Mars is Proof of Life, Study Claims
• https://sputniknews.comSimilar claims have been made before, with NASA announcing in 1996 that it had found signs of life on Mars in another space rock, known as ALH 84001, also citing the appearance of the strands and filaments.
Evidence shows that Venus, Mars, and Earth all crossed the orbits of each other in the distant past. So, if there is evidence of past life on Mars, we can't be sure that it didn't come from Earth - http://www.creationism.org/patten/PattenMarsEarthWars/PattenMEW11.htm.