'WE ARE ALL MARTIANS'
Life came from MARS and was carried to Earth on an asteroid, scientists claim
Stargazers suggest humanity's ancient ancestors are descended from organisms which once lived on the Red Planet
A RADICAL new theory claims that humans are the descendants of Martian life which came to Earth billions of years ago.
Scientists believe life might have begin on Mars and then "contaminated" our own planet.
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It's believed life had a better chance of getting started on the now arid planet in ancient times because it used to have the right conditions for alien life - like water and a possible atmosphere.
They think that an asteroid collision caused by space rocks in our solar system smashing into each other might have caused a chunk of life from Mars to land on Earth.
Astronomer Caleb Sharf told Business Insider: "We can find pieces of Mars here on Earth and we suspect that there are pieces of Earth on Mars.
"If that material can carry living organisms on it, it's possible that we are Martian."
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But the big question is which planet has been contaminated.
Sharf said it is difficult to tell if we are Martians, or if life on Mars is actually from Earth.
The radical theory, called Panspermia, is accepted by several scientists.
Nasa recently discovered strange Martian markings which could PROVE aliens lived on the Red Planet.
Scientists also believe planet was covered in ice roughly 3.8billion years ago but it was melted by climate change.
The theory is sure to get UFO-hunters in a flutter.
They have been spotting all sorts of bizarre objects in Nasa's official Curiosity Rover pictures, including ancient statues, walled cities and even a gun.
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