Because there is none to find.
There has been no evidence found that there was ever life on mars.
Yes.
No life has been found on Mars as of yet - and no intelligent life exists there. As such, there are no alien houses on Mars.
Life hasn't been found on Mars yet, and no one knows if it ever will.
Man has not been to Mars, stones and dust have been seen on Mars, there is no life on any other planet but earth that we have found.
Strong evidence or half-life has been found on the planet Mars.
Mars has been found to have Ice- caps when NASA were surveying it to decide if it was suitable for human life.
Truthfully on Mars there is no proven life but for fictional films they are called MARTIONS. Well if we call them martions they will call us earthlings so the species is a big (?) because we don't know if there is any life on mars
the satellites have found life on mars
There was no life on Mars.But from resent discovery there was a (beetle) in 2009 living, but the bug was reported after 5 days dead.That was the life on Mars. In actual fact, no life, beetle or otherwise, has ever been detected on Mars. The media report that a fossilized microorganism was found in a Martian meteorite found on Earth, was not confirmed-- it could have been something unrelated to life.
Europa and Mars
Europa and Mars