There is evidence to suggest that the satellite - named Kosmos-2558 - is tailing a confidential US satellite.
The guard was quizzed by his co-worker when she noticed him having a conversation with an empty corridor.
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.
A bizarre recording represents the first ever documented case of a duck being able to mimic human speech.
A family in the United States has been left terrified by an Elsa doll that seems to have a mind of its own.
Audio clips of astronauts talking about their experiences with UFOs have been analyzed for truthfulness.
A scientist has offered up a series of predictions about what life will be like in the next 30 years.
Scientists at Princeton University have simulated what an English-speaking macaque would sound like.
An eerie talking female robot called Bina48 has expressed a distinterest in taking over the world.
An animal that resembles a large predatory cat has been seen stalking a quiet neighborhood in England.
Guinness World Record holder Fran Capo is able to recite up to 11 words every second.
Reports suggest that the Nazis attempted to train an army of talking dogs, but just how true is this ?
A talking humanoid robot has blasted off on board the unmanned Konotori 4 space cargo transporter.
The search giant has produced a new type of footwear that can actually motivate you to move.
Special urinals have been installed in several US pubs in an effort to tackle drink driving.
Don't shy away from people who talk to themselves, they're just trying to focus on something important.
A large glowing sphere sighted hovering over Shanghai and Beijing has astronomers talking.
A vicar has complained after being shocked by a recorded female voice in a Shropshire lavatory.
Farmers in Siberia having reported their goats being killed by a mystery creature and drained of blood.
Jan Bondeson reveals that in the 1920s the Germans attempted to take advantage of dog intelligence.