In the exhibition Ghost, on view at Franz Kaka gallery in Toronto, Jennifer Carvalho repaints fragments of 15th-century ...

Now, a piece of art has been restored 230 years after it was first painted to reveal a spooky, hidden demonic figure hiding in the background. The painting in question is the 1789 work by English ...

Hulton Archive/Getty Images A huge painting of Cardinal Richelieu by Philippe ... explorer Will Millard as part of his BBC Wales series, Hidden Wales. Mr Millard described it as one of the most ...

A recent discovery bolsters it: Researchers recently uncovered thousands of drawings from an Ice Age-era tribe, hidden ... of the images show unusual levels of detail for such ancient art ...