No animal has ever been on Mars.
No one has ever landed on Mars
No scientists from Earth have ever been to Mars.
No hardware sent to Mars has ever been returned to Earth, and nothing that's landed on the Martian surface has ever been launched from it.
No. while there are no doubt things on Mars that would be worth money on Earth, there is nobody has ever been to Mars, and thus there is no reason for there to be money there.
No person has ever been to Mars. No spacecraft has ever surveyed Mars and returned to earth. No spacecraft has ever landed on Mars and lifted off again. No liquid water has ever been observed on Mars, and no samples have ever been removed from its surface. In conclusion, we frankly don't know what the question is talking about.
no man has ever been on mars
no,no one has ever been on mars
No one has ever landed on Mars
There has been no evidence found that there was ever life on mars.
No scientist has ever been to Mars.
No astronaut has ever been to Mars.
No astronauts have ever been to Mars, and no rock samples have ever been sent to Earth.
No human has ever visited Mars. None have ever been further than Earth's moon.
As of July 2014, no animal has been sent to Mars yet. In 2008 it was announced that Russia planned to send monkeys to Mars, but this hasn't happened yet.
As for as is known no earthlings have ever been on Mars.
No scientists from Earth have ever been to Mars.
No.