Scientists claim NASA's Mars Rover took photos revealing fungus is growing on the rock - but not everyone is convinced.

The Perseverance Rover is scanning the Jezero Crater on the Red Planet, believed to be a dried-up ancient lake.

The rover is looking for signs of ancient microbial life and one team of researchers believe they may have already found it.

The team, which includes researchers from Harvard-Smithsonian Center for Astrophysics and George Mason University, believes the fungus-like organisms resemble specimens back here on Earth.

NASA are investigating whether there are signs of life on Mars
NASA are investigating whether there are signs of life on Mars

“Fungi thrive in radiation intense environments,” the team said.

“Sequential photos document that fungus-like Martian specimens emerge from the soil and increase in size, including those resembling puffballs.”

“After obliteration of spherical specimens by the rover wheels, new sphericals — some with stalks — appeared atop the crests of old tracks."

Scientists claimed these images proved fungus was growing on the rock
Scientists claimed these images proved fungus was growing on the rock

The researchers said they found evidence of "amorphous specimens" within a crevice which "changed shape and location" before disappearing, writes Futurism.

They conclude that it would be "surprising if there was no life on Mars," after the likelihood Earth has been 'seeding' the Red Planet with life and it 'transferred between worlds'.

Boffins argue that the Martian lifeforms would have needed to evolve and adapt to the low temperatures and low amounts of oxygen as well as other harsh realities on the rock.

Although boffins across the world have said the claims are not proving fungi is growing
Although boffins across the world have said the claims are not proving fungi is growing

But they did state that the similarities they pointed out are "not proof of life".

Although the paper had authors listed from Smithsonian and George Mason, the lead author was Rhawn Gabriel Joseph, who is reportedly known for unscientific and dubious claims about life on other planets.

However, scientists across the world have been left unimpressed with the paper so far.

“The conditions on Mars are so extreme that you’re not going to see fungi or any kind of life growing at that sort of speed under conditions like coldness and low air pressure,” Jonathan Clarke, president of Mars Society Australia, told the South China Morning Post.

Although boffins across the world have said the claims are not proving fungi is growing
Although boffins across the world have said the claims are not proving fungi is growing

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He added: “Life can barely survive, let alone thrive.”

Developmental biologist Paul Myers, of the University of Minnesota, told CNET that the claim was "extraordinary" over the basis of only using photos.

He said: “Claiming that mushrooms are sprouting all over Mars is an extraordinary claim that requires better evidence than an analysis of photographic morphology by a known crank who has claimed, on the basis of the same kind of analysis, that he has seen fields of skulls on Mars."