Scientists using ice-penetrating radar have spotted an enormous river snaking its way beneath the Antarctic ice.
Two astronomers discuss their efforts to scour the heavens for signs of extraterrestrial technology.
The tomb of St Nicholas - the real-life inspiration behind Santa Claus - lived and died around 1,700 years ago.
It might sound like an experiment worthy of Frankenstein, but we won't have to worry about 'rat men' anytime soon.
Carl Sagan once wrote about the possibility that ancient Sumer was visited by benign extraterrestrial beings.
The footage, which reportedly shows an exotic black cat, has generated some heated debate since appearing online.
A new YouGov poll has indicated that more people now believe that UFOs may be extraterrestrial in origin.
A fisherman recently reeled in a rather strange looking shark and nobody is quite sure what species it is.
Footage recorded in 2006 allegedly shows an unidentified entity entering a man's bedroom in the middle of the night.
The James Webb Space Telescope may not find evidence of alien life, but the next telescope probably will.
One Philadelphia resident discovered a rather unexpected visitor making itself comfortable on her porch.
An eerie face envisaged within the mind of an artificial intelligence seems to be the Internet's latest answer to Slender Man.
Crowds of revelers are expected to descend on West Virginia this weekend to celebrate all things Mothman.
Experts have warned that giant rats could be invading people's homes and gardens within a matter of weeks.
A German designer has developed a rather unusual shoe that can be put together using 3D-printed parts.
One of the pioneers of the modern field of the search for extraterrestrial intelligence has sadly passed away.
The next-generation space telescope has achieved what astronomers are calling 'a transformative moment'.
Rising temperatures and other environmental changes could make it easier to locate Scotland's elusive monster.
Two separate sightings of the elusive Sasquatch were recently submitted to the Bigfoot Field Researchers Organization.
50 years on from the last manned mission to the Moon, Artemis I is about to begin a new era of lunar exploration.