The FBI recovered and returned 22 pieces of Japanese art likely stolen during the Battle of Okinawa in 1945.

After reviewing footage of ringed caecilians, researchers learned the creatures have unusual methods of caring for offspring that include producing milk and growing new skin.

The Khinjaria acuta had dagger-like teeth that helped it hunt prey off the coast of Africa 66 million years ago.

After analyzing stone tools found at the Korolevo site in western Ukraine, researchers concluded that Homo erectus settled in the area roughly 1.4 million years ago.

Researchers believe that the leavened bread found at Turkey's Neolithic Çatalhöyük site is 8,600 years old, making it the oldest bread in the world.

The burial contained the remains of a man placed face-down on top of the remains of a woman — a common practice among societies who buried their dead in this area at the time.

Archaeologists excavating a firehouse in Toruń, Poland uncovered a treasure trove of medieval artifacts, including an 800-year-old clay horse and remnants of a tower.

Often referred to as the "father of modern art," French painter Paul Cézanne created several murals in his childhood home — and workers renovating the mansion have discovered a new mural no one knew was there.

Researchers say the bronze hand features the earliest written example of Vasconic, a mysterious ancient European language group that may be related to modern Basque.

Researchers believe the human remains buried at Pozo de Ibarra, Mexico, may have been offered up as sacrifices to celebrate the founding of a new settlement.