The Haunted Lane,” an 1889 stereograph, purporting to show a ghost scaring a man and a boy. (Melander, Prints and Photographs Division) I realize most homeowners are trying to rid their house of ...

Pope Leo’s 43,000-word encyclical framed artificial intelligence as one of the biggest challenges facing humanity. Anthony ...

The phrase “ghost in the machine” once described a philosophical paradox about consciousness and the human mind. Today, it ...