We all experience thought, but do our thoughts objectively exist beyond our own perception of them ?
It was incredibly unlikely that intelligent life evolved on our planet - but perhaps not quite as unlikely as previously believed.
Something anomalous is thought to be frequenting our oceans and we still have no idea exactly what it could be.
The object - a type of spinning star known as a pulsar - is rotating more slowly than anyone thought possible.
Dark energy is thought to be responsible for the universe's accelerating expansion, but what if it isn't ?
If we told you not to think of a pink elephant, would you be able to, or would you end up thinking of one all the more?
The building, which dates back centuries, was once owned by the Freemasons and is thought to hide many secrets.
The limestone sarcophagus is thought to have been that of Saint Nicholas - the real-life inspiration behind Santa Claus.
The object had been picked up on sonar and was thought to be the wreckage of the famed aviator's plane.
The face of a woman thought to be a vampire who was buried 400 years ago has been reconstructed by experts.
Animals are likely to get drunk on fermenting fruit much more often than previously thought.
The site is now thought to have been home to the largest astronomical observatory of its day.
Back in the 1970s, this iconic signal was thought to be a candidate for the first ever message from extraterrestrials.
One of the Neolithic monument's most iconic stones came from much further afield than previously thought.
The discovery was made at the world-famous archaeological site of Gobekli Tepe in southern Turkey.
A detailed analysis of recently discovered fossils has revealed more about these enigmatic pint-sized humans.
We may have yet to discover the fossil remains of some of the largest examples of the species.
The Mutual UFO Network showed off mysterious material that is thought to be from an alien spacecraft.
Archaeologists have discovered ancient drawings thought to have been created by a long lost civilization.
These half-bird, half-lion creatures of myth and folklore were long thought to have been inspired by Protoceratops.