A SCIENTIST who studied the brains of fighter pilots who reportedly encountered UFOs has claimed that aliens have been on Earth for a while.

There have been many tales of pilots finding extraterrestrial life in the sky, but so far there has been no concrete evidence.

While UFO conspiracies remain unproven, Garry Nolan, a professor of pathology at Stanford University in California, said he’s “one hundred percent sure that extraterrestrials have visited planet Earth and are still here.”

He explained that he examined the brains of fighter pilots who reportedly encountered UFOs.

During a December 2021 interview with Vice’s Motherboard, Nolan described what the brains of these pilots look like.

“If you’ve ever looked at an MRI of somebody with multiple sclerosis, there’s something called white matter disease. It’s scarring.”

“It’s a big white blob, or multiple white blobs, scattered throughout the MRI. It’s essentially dead tissue where the immune system has attacked the brain,” Nolan said.

He explained: “That’s probably the closest thing that you could come to if you wanted to look at a snapshot from one of these individuals. You can pretty quickly see that there’s something wrong.”

He analyzed approximately 100 patients, mostly “defense or governmental personnel or people working in the aerospace industry,” Nolan told Motherboard.

Nolan spoke at a conference recently where he was asked if “extraterrestrial intelligence” has made a trip to Earth.

Most read in The U.S. Sun

To which the scientist replied: “I think we can go one step further. They haven’t just visited, they have been here for a long time and they are still here.”

Nolan clarified that he doesn’t believe there are living beings inside UFOs as that would be dangerous.

“Think like that: If you wanted to study a tribe of cannibals in the middle of the Amazon, would you go into the tribe yourself?” he questioned

“If you have an advanced intelligence, you wouldn’t risk your life and limbs by coming here.

“I think the UFOs that we have seen and captured are some kind of drones or objects with advanced artificial intelligence,” he said.

Nolan said that extraterrestrial life has the ability to do things that humans are not capable of.

He explained this point when talking about UFO incidents recorded by the United States Navy.

“There are some incidents witnessed by pilots serving on an aircraft carrier operating in the Pacific Ocean in 2004.

“They can follow the objects up to a point, but after a certain point, these objects make maneuvers that are not possible for the vehicles we have, and then they move away from the area.

“These happen in seconds. They do things we cannot do,” Nolan said.