Sea ice in the Northwest Passage near Nunavut in the Canadian Arctic. Photograph: Alamy via The Guardian.

The Canadian armed forces have sent a crew to investigate reports of a mysterious “pinging” sound that seemed to be coming from the sea floor. Hunter(...)

A Canadian recruitment leaflet targeting the Irish population

Almost 20,000 Irish soldiers served in the Canadian army during the first World War, according to new figures. A total of 19,327 of those who served i(...)