Yes.
There has been no evidence found that there was ever life on mars.
Strong evidence or half-life has been found on the planet Mars.
Because almost everywhere water is found on earth, even in very extreme conditions, life is also found.
So far we do not have definitive evidence that there was life on Mars. However a piece of Mars that fell to Earth as a meteorite was found to contain structures that some people interpreted as fossil bacteria. This interpretation has not been accepted as definitive.
Not yet.
As of now, there is no definitive evidence of life outside of Earth's atmosphere. Scientists continue to search for signs of life in places like Mars, Europa, and Enceladus, but no concrete proof has been discovered yet.
We have not yet found any evidence of life on Mars, let alone footprints.
There is no definitive evidence of current life on Mars. However, scientists have found evidence that suggests Mars may have had conditions conducive to supporting microbial life in the past. Ongoing research and exploration continue to search for signs of past or present life on Mars.
So far Earth. They do have robots on Mars so they could be evidence.
As of today, we are saying that there is no life on mars. But then again [I don't think] humans have actually landed on Mars [the atmosphere would burn you to a crisp], so we can't say for sure. But no definite evidence of life has been found on ANY planet in the Solar System.
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.
There is evidence showing that there might have been and could have been at one time in the past, but none showing that there is life there today.