When the Renaissance artist painted his famous "Ecce Homo" around 1570, he covered up a portrait of an "an unknown ...

Hollywood legend Kevin Costner ruminates on President Teddy Roosevelt in the new Fox Nation limited series 'Yellowstone to ...

A team of conservators discovered a secret beneath the brushstrokes of a Blue Period portrait by Pablo Picasso. Since 1901, ...

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...