On March 16, 1957, a 300-foot-long spacecraft allegedly landed in Alexandria, Virginia. Two police officers approached the craft — and out stepped a man who looked completely human. His first words: ...

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 ...

Self-driving robotaxis are making their debut in London. With the city already known for its congestion, traditional black cab drivers are skeptical about what these vehicles can add. (AP video by ...