Over a two-day period in September 2024, parts of the Sahara Desert received nearly eight inches of rain, leading to flash floods and significant changes to the sandy landscape.

Between March and December 1898, two lions known as the "Man-Eaters of Tsavo" killed dozens of railway workers in Kenya — and a new study has now revealed the macabre full story of their diets.

From decaying classrooms to dilapidated auditoriums, these abandoned schools from Chernobyl to Detroit are ghostly shells of their former selves.

Remains dating back 2,300 years suggest that the current genome of Japan started to form when immigrants from the Korean Peninsula mixed with the native Jomon population during the Yayoi period.

New DNA research has confirmed that Christopher Columbus' remains lie in Seville Cathedral in Spain, solving a centuries-old mystery about his final resting place — while also uncovering that he may have been of Sephardic Jewish descent.

Archaeologists excavating a Neolithic site in southeastern Poland discovered artifacts spanning thousands of years, including a rare longhouse from the Linear Pottery culture that was constructed around 5000 B.C.E.

Throughout the 1990s, police around the world were on the lookout for Elaine Parent after she stole at least 20 identities and murdered a Florida woman named Beverly McGowan, earning the nickname the "Chameleon Killer."

In 1962, Luigi Lo Rosso discovered a seemingly unremarkable painting in the basement of a villa in Capri. And now, more than 60 years later, it has been authenticated by experts as a Picasso worth $6.6 million.

Claude Monet's 1902 painting Charing Cross Bridge, which was gifted to Winston Churchill in 1949, was heavily coated in residue from the former prime minister's cigar smoke.

From the laughing epidemic of 1962 to the killer clown scare of 2016, these cases of mass hysteria show just how bizarre — and dangerous — this psychological phenomenon can be.