A light reflection technique reveals the outlines of what a researcher claims is a separate portrait under Da Vinci's Mona Lisa.
Researchers continue their attempt to solve the mystery behind the identity of one of the world's most famous models.
An ancient Egyptian masterpiece is in fact a fake created in the 19th century, a researcher says.
Found in the sarcophagus of a Renaissance princess, a black soldier fly raises new questions about the insect's path from America to Europe. →
Leonardo Da Vinci's Mona Lisa painting may be part of the oldest 3D artwork, say two visual scientists.
The next step in the quest to solve once and for all who Mona Lisa was is put in motion.