Taken from a plane in 1971, the image shows what appears to be a metallic saucer flying through the air.
According to a new study, it may be quite a long time before we're likely to hear from ET.
Scientists have been left scratching their heads by this perplexing and disturbing phenomenon.
Plans to beam Earth's location out into space could have unintended consequences, an Oxford scientist has warned.
It is now believed that the ancient device might have first started operating on December 22nd, 178 B.C.
A mind-bending optical illusion shows two people hugging one another - but which legs belong to which person ?
Dr David Jacobs of Temple University has reached a rather startling conclusion about abductees' experiences.
Detecting potential signs of alien life is one thing, but confirming it beyond any shadow of a doubt is quite another.
Scientists at JPL have been planning to send a new message into space for intelligent aliens to pick up.
It has been 25 years since a mass UFO sightings over Phoenix, Arizona captivated the world.
A cinema screening of the Caped Crusader's latest outing was recently interrupted by a rather topical visitor.
As if one spider wasn't bad enough - imagine being set upon by 1,000 of them in a giant web...
Video footage of a rather peculiar discovery has been doing the rounds on social media this month.
With a wingspan greater than that of an entire football field, this gargantuan aircraft is a sight to behold.
The search for alien life in the universe is ramping up thanks to new, more powerful computers and techniques.
The search involved scouring the heavens with the Murchison Widefield Array telescope.
A beauty spot in Somerset, England is believed to be home to a rather foul-mouthed spook.
Respiratory infections are not unique to modern times - even the dinosaurs fell ill from time to time.
The former MoD UFO investigator has warned that we would stand no chance whatsoever against hostile extraterrestrials.
A prediction from the 1970s has since been corroborated by several independent researchers.