Paranormal investigators have captured an image of a mysterious figure in an abandoned church in Cornwall.
A creature resembling the Mind Flayer from 'Stranger Things' has been photographed on Bennar beach in Gwynedd.
A coin hobbyist has posted up a photograph of a coin which features the face of an extraterrestrial.
NASA's Perseverance rover has photographed a small rock balanced precariously on top of a larger rock.
This controversial image allegedly shows a strange creature that was seen outside the perimeter fence of a zoo in Texas.
The legendary rock guitarist, who has a PhD in astrophysics, recently spotted something odd in a field in the UK.
Researchers have been attempting to determine the source of several unexplained light flashes in the decades-old images.
These giant 'scratches' on the surface of the Red Planet were captured on camera by ESA's Mars Express orbiter.
NASA's Curiosity rover has captured a photograph of what appears to be a doorway carved into the rock.
Taken from a plane in 1971, the image shows what appears to be a metallic saucer flying through the air.
NASA's plucky helicopter has captured close-up images of the wreckage from Perseverance's arrival on Mars.
The rover, which landed on Mars over a year ago, has set eyes on parts of its own landing system for the first time.
Residents took to social media to share photographs of an anomalous cloud-like trail over Lazy Mountain.
A family who lived on a houseboat once captured a strange image in the waters of coastal Mississippi.
An alleged apparition has been caught on camera in the woods thought to have once been frequented by Robin Hood.
This innocent snap captured during a family day out to a popular swimming spot appears to show something unexpected.
Artist and photographer Wes Snyder captured a time-lapse recording of the trails while filming the night sky.
A construction manager recently snapped a picture of something unusual in a lake in south-west London.
China's Yutu-2 rover has determined the nature of a mystery cube-shaped object that was photographed last month.
Images of an alleged flying saucer taken at a farm in Oregon in 1950 generated controversy and debate in equal measure.