This image taken by an orbiting spacecraft shows a rather familiar visage comprised of natural geological features.
The footage shows what appears to be a large hominid crossing a forest road in front of an approaching vehicle.
The French nun not only lived to the grand old age of 100, but then went on to live for another 18 years after that.
Sergio Canavero made headline news a few years ago after planning to perform a head transplant on a disabled patient.
The newly discovered world, which is 41 light-years away, is almost exactly the same size as the Earth.
Authorities have been left baffled by the appearance of several mystery antennas over the last couple of years.
Saturday marked the 75th anniversary of the death of pilot Thomas Mantell who crashed while pursuing a UFO.
Hunter-gatherers who painted on cave walls 20,000 years ago also left behind something quite unexpected.
Nobody knows what became of the crew of the infamous ghost ship which was found adrift and deserted in 1872.
After four years of activity on the surface of Mars, NASA's InSight mission has finally come to an end.
Situated 40 light-years away, this hellish terrestrial world is like nothing found in our own solar system.
This eerie clip shows what appears to be the face of a mystery figure staring out of the window.
A recently uploaded video clip shows what appears to be a large ape-like creature walking between some trees near the shoreline.
The last known living thylacine - an animal named Benjamin - died at Hobart Zoo all the way back in 1936.
Dating back one million years, the remarkably intact skull has been hailed as an important find by palaeoanthropologists.
The success of this month's Artemis I mission has placed us on track to see humans living and working on the Moon within 10 years.
The guard, who in the clip appears to be talking to thin air, had reportedly been speaking to a woman who had died the previous day.
In August 1942, an airship disappeared, then reappeared again a few hours later with all of its crew missing.
The 61-year-old had a close encounter with something unexplained in a remote Scottish forest back in 1979.
Archaeologists have unearthed one of the most important discoveries of recent years - a huge tunnel beneath a temple in Egypt.