Megan Gannon

The identity of Leonardo da Vinci's mother has eluded historians for years, but now one scholar said he's found the woman behind the Renaissance man.

The world's oldest sloth, and the last one living in Australia, has died at the Adelaide Zoo.

Researchers diagnosed a case of adolescent bone cancer in the 700-year-old remains of a teen buried in Panama.

A vivid, turquoise-colored carving from ancient Egypt has been returned to a Berlin museum more than 70 years after it was thought to have been lost during World War II.

A mass grave from the Thirty Years' War was uncovered in Germany a few years ago. Now the bodies are giving up their battle secrets.

Archaeologists digging up a gothic graveyard in Portugal discovered an ovarian tumor that had started sprouting teeth.

Archaeologists found a 4,000-year-old henge in England that contained five human burials.

Archaeologists in England discovered a Neolithic earthwork and burial site that could date back to 2000 B.C.

A block that bears the symbol of the ancient Egyptian King Nectanebo II was recovered in Abydos.

Archaeologists will search for offshore remains of Ayla, an early Islamic city in modern-day Aqaba, Jordan.

Some scientists believe Pluto's red "whale"-shaped region is the mark of a giant impact — the same one that produced Pluto's huge moon Charon.

The page was ripped from a priests' handbook hundreds of years ago, and it could be one of England's oldest fragments of printed text.

England's Salisbury Plain is famous as the home of Stonehenge and other enigmatic ancient sites. But it has just yielded a much more recent archaeological wonder: a network of World War I tunnels.

The 19th-century sunken ship could offer more clues about the fate of the Franklin Expedition, which set off in search of a Northwest Passage 170 years ago.

Scientists have gathered images of the ancient canyons, craters, hills and permafrost fields that are hidden under Earth's icy seas.

Scientists created a DNA database for 24 of the sailors who died during the 19th-century Franklin Expedition looking for the fabled Northwest Passage.

Long before the invention of modern dentistry, hunter-gatherers figured out how to scoop out and fill their cavities.

Hidden for centuries, richly colored mosaic floors from the lost Roman city of Ucetia have been uncovered in France.

Archaeologists have undertaken a large-scale excavation in Uzès, a city in southern France. They found mosaic floors dating back to Roman times, when the city was called Ucetia.

A pit of human remains in England show signs that the living were protecting themselves from zombies.

Archaeologists in England think they've found evidence of medieval methods to prevent the dead from walking.

Scientists gave killer whales a breathalyzer to test the animals' health, and found that the orcas are carrying some human pathogens.