While NASA hasn't had much success in finding any aliens on the moon, the orb has still been a popular target for alien hunters. A new claim has been made by a Finnish man named Mark Sawalha who says he has found an unusual spike on the lunar surface which could indicate alien life.
A photo of the area, which was taken by NASA's Lunar Reconnaissance Orbiter, appears to show a relatively thin structure emerging from the ground.
The Sun has quoted him as saying, "I think this finding could be the antenna of an underground alien base, because there is a plateau under the spike."
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Depictions of UFOs and alien activity
Depictions of UFOs and alien activity
In this combo photo, the head of New Zealandâs Mount John Observatory said on Jan. 2, 1979, that the unidentified flying objects filmed by Australian TV men were almost certainly the Planet Venus. Photo at left is from the TV film made over the weekend off the coast of New Zealand. Photo at right is of the Planet Venus made in 1974 by the Mariner space probe. New Zealand astronomer David Mabin said Venus is currently at its brightest and can be seen for about 12 hours a day. Another expert said the radar echoes reported were probably âRadar Angelsâ which are common in the Southern Hemisphere at this time of year. (AP Photo)
Unidentified Flying Object sighted over New Zealand's South Island on Jan. 3, 1979. New Zealand television crew cameraman Frank Kazukaitis said of the sighting, âIt looked like an illuminated ping pong ball with a tinge of red in the middle. (AP Photo/Dominion)
Picture taken by amateur astronomer Walter Schwarz on April 28, 1983 in Nuremberg, Germany shows a first unidentified flying object that hovered above the city for a few days and was later identified as a helium filled stratosphere balloon "Moby Dick" launched by the French space agency CNES. (AP Photo/Walter Schwarz)
This photograph was taken by a tourist and shows an Unidentified Flying Object, flying over Romanian territory near Cluj town Sept. 24. 1968. (AP Photo)
Michael Savage, 15-year-old son of prominent San Bernardino physician and surgeon, was practicing picture-taking with his new camera, when he saw motion out of the corner of his eye Thursday, July 24, 1956, San Bernardino, CA. He quickly shot this picture, tried to shoot another and in his haste, over-cranked the camera, drawing a blank with his second shot. The object disappeared in 30 seconds, he said, not over the horizon but quickly out of sight in the sky. (AP Photo/Michael Savage)
Texas farmer Carrell Wayne Watts told a polygraph operator this Polaroid snap shows an alien spacecraft 80 to 100 feet long, Sunday, Feb. 25, 1968, Amarillo, Tx. The Houston Post will release results of 29-year-old Watts lie test late Sunday night. (AP Photo/Carrell Wayne Watts)
This photograph, reproduced from the quarterly UFO periodical Flying Saucers International in Los Angeles, shows silvery white flying objects as seen by photographer Erich Kaiser while descending from Reichenstein mountain in Austria on Aug. 3, 1954. (AP Photo)
This photo is from the Air Force's "The Roswell Report," released Tuesday, June 24, 1997, which discusses the UFO incident in Roswell, N.M. in 1947. On balloon flights, test dummies were used and placed in insulation bags to protect temperature sensitive equipment. These bags may have been described by at least one witness as "body bags" used to recover alien victims from the crash of a flying saucer. The 231-page report, released on the eve of the 50th anniversary of the Roswell, N.M., UFO incident, is meant to close to book on longstanding rumors that the Air Force recovered a flying saucer and extraterrestrial bodies near Roswell. (AP Photo/Air Force, File)
A sign directs travelers to the start of the "1947 UFO Crash Site Tours" in Roswell, N.M., Tuesday, June 10, 1997. In Roswell, locals don't argue anymore about whether a space ship crashed nearby. They argue about whose ranch it landed on. (AP Photo/Eric Draper)
Children eye a model of an alien on display inside the International UFO Museum and Research Center in Roswell, N.M., Monday, June 9, 1997. The museum, which is free to the public, receives visitors from all over the world. (AP Photo Eric Draper)
A bicycle-powered flying saucer sputters by the crowd gathered on Main Street Saturday, July 5, 1997, in Roswell, N.M. About two dozen crafts moved down the street in the Crash and Burn Extravaganza as part of the 50th anniversary celebration of an alleged UFO crash near Roswell. (AP Photo/Susan Sterner)
UFOetry performs at the Roswell Convention and Civic Center in Roswell, New Mexico Thursday morning, July 3, 2008, helping kick off the 2008 UFO Festival. (AP Photo/Roswell Daily Record, Mark Wilson)
Workers with the Nevada Department of Transportation sign shop start to install one of the first "Extraterrestrial Highway" signs along state route 375 in Rachel, Nev., Thursday, April 18, 1996, after the official dedication ceremonies by Nevada officials. The E.T. Highway stretches for 98 miles in Lincoln and Nye counties, connecting U.S. Highways 93 and 6. The move is an effort by the Nevada Commission on Tourism to draw tourists to an area known for tales of frequent UFO sightings. (AP Photo/Lennox McLendon)
Police Officer Jeff Greenhaw took these pictures of a strange looking creature he said he found standing in the middle of a major highway which runs thru his town, Wednesday, Oct. 18, 1973, Huntsville, Al. (AP Photo/Jeff Greenhaw)
UFO sighted by a New Mexico State University student, West of Picacho Peak, Las Cruces, New Mexico, March 12, 1967. About 2:00pm the student was hiking in a desert area near Picacho Peak, New Mexico, when he spotted a big round silvery object hovering in the air just above a rocky hill about 500 yards away. He prepared his 4" X 5" Press Camera, set it at F8 and 1/100 shutter speed, and snapped one good black and white picture of the object. (AP Photo)
Described as a leisure home of the 1970s, this flying saucer-shaped house - called the 'Futuro' - is made up of 16 pre-moulded segments of fibreglass. Designed by Finnish architect Matti Suuronen, it is being made under license from Oy Polykem of Helsinki by a Lancashire firm (Waterside Plastics Ltd, of Todmorden) and is described as the leisure home of today and tomorrow.
Pat Slimmer climbs into his street-legal UFO at the start of the Art Tougeau parade in Lawrence, Kan., Saturday, May 30, 2015. This year's parade is paired with the Lawrence Busker Festival so Lawrence (Kan.) mayor Jeremy Farmer proclaimed May 29-31 a "The Official Weird Weekend." (AP Photo/Orlin Wagner)
Mary Burden and Sue Williams, right, slip into their alien outfits Wednesday, July 2, 1997, in Roswell, N.M. Burden and Williams plan to join other Roswell residents and tourists Thursday evening in an alien costume contest as part of the 50th anniversary of the Roswell incident. (AP Photo/Susan Sterner)
UFO-like model is carried by people as an eye-catcher reflecting a science fiction boom during mass rally celebrating Japan's May Day in rainy in Tokyo on Monday, May 1, 1978. About 4.5 million people rallied to celebrate May Day in Japan, many calling on the government to give more relief for the jobless and more employment security. (AP Photo/Katsumi Kasahara)
World reception center for official visitors from outer space was proposed by an American specialist on unidentified flying objects (UFOs). Hungarian-born Colman von Keviczky, a former United Nations official, right, and Karl L. Viet, the president of the German branch of the UFO study society, are at a news conference on the international conference of UFO-students, Oct. 31, 1967 in Mainz, Germany. At foreground is a model of a UFO which doubles as bedside lamp. (AP Photo/Kurt Strumpf)
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Sawalha explained, "I guess that there are also some kind of mining activities going on the Moon. Aliens are using moon minerals and they have bases there too.... "
The discovery of a similar moon spire earlier this year was quickly debunked by a scientist working on the Lunar Orbiter mission as an optical illusion.
So, is there a secret alien base on the moon? Almost certainly not.