The blunder, which had remained undiscovered until very recently, may never be rectified due to the painting's fragile state.
Footage allegedly captured during a UFO incident in Brazil in 1996 is rumored to be in line for release in the near future.
The space agency has revealed the names of the people who will be on its independent UFO investigation team.
The asteroid that wiped out the dinosaurs was enormous - but it was by no means the largest ever to hit our planet.
A new YouGov poll has indicated that more people now believe that UFOs may be extraterrestrial in origin.
The SpaceX and Tesla CEO is expanding his focus into robotics in the hope of one day bringing affordable robots to the masses.
One Philadelphia resident discovered a rather unexpected visitor making itself comfortable on her porch.
Crowds of revelers are expected to descend on West Virginia this weekend to celebrate all things Mothman.
50 years on from the last manned mission to the Moon, Artemis I is about to begin a new era of lunar exploration.
The US government's UFO office only seems to be interested in investigating objects of potentially extraterrestrial origin.
Treasure hunters will soon be digging up a canister thought to contain $250M of plundered Nazi gold.
An AI capable of creating images of anything simply by requesting it has had a go at imagining 'the last selfie ever taken'.
Engineers have developed a concept for a super-advanced spinning structure that people could one day live inside.
A ghostly figure can be seen emerging from a mass grave during a segment on James May's new travel show.
Footage of a large disc-shaped object emerging from the clouds has racked up millions of views on social media.
A never-before-seen self-portrait of the 19th-Century artist has been discovered using X-ray imaging.
The notoriously insular country has offered up a rather unusual explanation for the origin of its Covid outbreak.
Scientists have discovered a tortoise belonging to a species thought to have died out 100 years ago.
A senior software engineer at Google believes that the search giant's LaMDA AI tool has become self-aware.
The space probe, which landed in the Elysium Planitia region of Mars in 2018, is now in its final months.