The pioneering photojournalist was headhunted by Magnum and became a personal favourite of Marilyn Monroe. A new retrospective tells her story

Gathering images from 1865 to the present day, a new charity show focuses on children at play – from baking bread to playing on demolition sites

Death between the sheets, a preacher exorcising a child, a prostitute and her client, and a smile from Blanchon the beluga whale ... Magnum photographers share the stories and secrets behind their most private pictures

For the first time, Amsterdam’s Rijksmuseum is putting its staggering 20th-century photography archive on show. Here are some of the best pictures, from Marilyn Monroe and Peggy Guggenheim to one of the earliest flying machines