Experienced tracker Christopher Bauer followed a set of large footprints for miles across North Dakota.
A worryingly large rift in one of the Antarctic's biggest ice shelves has been continuing to grow.
A video showing an alleged Bigfoot walking in front of a waterfall has been doing the rounds online.
A live feed from an eagle's nest in Michigan has recorded a mysterious figure wandering around below.
A zoo owner has come forward with information that could help to explain the alien big cat phenomenon.
Authorities were notified after a large black creature was spotted chasing deer in North West England.
A new study has added weight to the idea that the universe may cycle between expansion and contraction.
One of the two men who filmed the infamous Bluff Creek Bigfoot video has long regretted his involvement.
New details have emerged about the mysterious crater which opened up in a remote part of Siberia in 2013.
A terrified couple in England have sketched a creature that they encountered while out driving at night.
A new maths study has suggested that it is very difficult to keep a conspiracy under wraps for long.
Boston Dynamics' quadrupedal robot has been deemed too loud for use during actual military operations.
Anthropologist Jeff Meldrum and his team have put together a life-size skeletal model of a Sasquatch.
A large black creature with yellow eyes was encountered by a woman who was out driving on Tuesday night.
A distant galaxy cluster is home to the most powerful explosion to have occurred since the Big Bang.
Today's rats might be getting bigger but they can't possibly compare to this ancient species of rodent.
Residents of a remote island community have been plagued by mysterious screams and howling noises.
A woman who was driving along a quiet road in Virginia claims that she saw a Bigfoot carrying an infant
The famous Betty and Barney Hill alien abduction case will soon be making its big screen debut.
A significant number of soldiers reported encounters with an ape-like creature in the jungles of Vietnam.