An intriguing optical illusion has been leaving social media users scratching their heads this week.
The Japanese space agency JAXA has announced the discovery of a cave hidden beneath the lunar surface.
The search giant has developed an artificial intelligence capable of learning without human intervention.
A prehistoric species of bird that preened itself like a flamingo has been discovered in Germany.
Built on an ancient burial ground, Bolsover Castle in Derbyshire has a reputation for being haunted.
Congressional candidate Bettina Rodriguez Aguilera recalls having alien abduction experiences as a child.
Scientists have linked the brain size of cetaceans to the 'human-like' nature of their social behaviors.
For the first time ever, gravitational waves and light have been picked up from the same cosmic event.
Thousands of people watched online as the popular confectionery was launched in to the heavens on Friday.
A couple plagued by mysterious letters from the 'Watcher' have been struggling to sell their home.
An extinct species of fanged kangaroo survived five million years longer than previously believed.
Scientists have developed a computer simulation that defines the exact orbit and behavior of Planet Nine.
A clip of the high-pitched sound that US diplomats have been hearing in Cuba has been uploaded online.
The Chinese space agency's Tiangong 1 space laboratory will hit the ground within the next few months.
The enormous supervolcano in Yellowstone National Park could erupt with only a few years' warning.
Nobel Prize winner Rainer Weiss and his colleagues have hinted at an upcoming 'exciting announcement'.
Scientists believe that wind farms in the North Atlantic could provide enough electricity to power the world.
NASA has been exploring ways to protect astronauts from deadly radiation during future missions to Mars.
A mysterious building discovered at a former RAF base has turned out to be an anti-aircraft gun position.
Scientists made the alarming discovery during an investigation in to the prevalence of pesticide residue.