Here's why the nuclear bombs dropped in Japan left shadows of people on the ground and buildings.
A change in temperature and humidity levels may explain why a print on a statue sculpted by Michelangelo is now visible.
Archaeologists have discovered the 2,200-year-old wreck of an ancient Egyptian ship that sank after being struck with giant blocks from the famous temple of Amun.
The submerged remains of a Roman road have been found on the seafloor of the Venice lagoon, along with archaeological structures that are thought to be what's left of a dock and settlements.
A 2,550-year-old inscription, written in the name of Nabonidus, the last king of Babylon, has been discovered carved on basalt stone in northern Saudi Arabia.
Chased from the Northumbrian throne in 806, King Eardwulf is believed to have hidden in this cave for the rest of his life.
A researcher claims to have identified the long-lost tomb of Olympias, the mother of Alexander the Great. But other scholars are skeptical.
Cannabis, the source of marijuana, originated in northwest China, where local strains are most like the original strain of cannabis cultivated more than 12,000 years ago.
The portion of DNA that's unique to modern humans is enriched for genes involved with brain development.
Karl Marx was the author of the Communist Manifesto, the creator of Marxist theory, and one of the most influential thinkers ever.
Beneath the Western Wall in Israel, archaeologists have uncovered an elaborate building that may have been used by Jerusalem's local council and their guests on their journey to Temple Mount.
Two coins minted about 70 years apart by Jewish rebels during two separate revolts against the Roman Empire have been discovered in the West Bank.
Since May 28, the graves of more than 1,000 Indigenous children have been discovered in Canada, on the grounds of former state-funded boarding schools run by the Catholic Church.
A perplexing mystery about a scattered hoard of ancient Roman coins found near a river in the Netherlands has now been solved.