A Q-tip, a tissue and a pizza crust ...

New genomic research suggests our species descended from a deep fusion between two ancient lineages — one of them a mysterious “ghost.” ...

The "Nazca mummies" were discovered in Peru in 2015 and, due to certain peculiarities (size, shape, three fingers on each hand), were initially presented as possible extraterrestrial mummies. Various ...

Some mysteries fade with time. Others linger for decades, haunting the people who remember them. So, we asked members of the BuzzFeed Community to share the unsolved cases they can’t stop thinking ...