During its construction beginning in the 12th century, builders used iron staples to support Notre Dame's masonry.
A fossilized ankylosaur voice box reveals that these beasts may have sported a far more sophisticated vocal range than scientists originally thought.
Famous 'jellyfish' fossil from 300 million years ago was upside-down the whole time. It's actually another animal entirely.
Archaeologists have discovered two 1,400-year-old murals of two-faced men within a ceremonial hall that belonged to the Moche culture of Peru.