A look at the commercial history of heavy metal through the albums which have reached the top of the UK and US album charts from 1970 to the present day.

Heavy metal pioneers Black Sabbath reunited for the first time in 20 years at their farewell show, Back to the Beginning, on ...

Ozzy Osbourne ’s final concert raised $190 million (£140 million) for charities, according to the event’s musical director Tom Morello.