Members of Abba are seen on a display during an event at Grona Lund, Stockholm on Thursday  when they launched first new song for nearly four decades.Photograph: Fredrik Persson / TT News Agency/AFP via Getty Images

Mamma Mia, here they go again. Almost 40 years after they broke up, Abba have announced plans to release a new album with a dramatic and digitally enh(...)

Former member of Abba Agnetha Faltskog (c) attends the opening of Mamma Mia! The Party in Stockholm. Photograph: Jonathan Nackstrand/AFP/Getty Images

The four former members of Swedish band Abba reunited - albeit very briefly - for the opening of a new restaurant-entertainment venture in Stockholm. (...)

You don’t often see huge, permanent, stand-alone museums dedicated to popular culture, but the usual rules don’t apply to one particular Swedis(...)