Marking the 40th anniversary of the first reported cases of the disease in the US, the Canadian artist and activist expands his One World, One Hope design to a city-sized work

A new book by Sarah Schulman describes how the radically democratic and fast acting group grabbed the public’s attention and held politicians and institutions accountable

As the world grapples with the Covid-19 pandemic, public campaigns around another virus are explored in an exhibition at the Folkwang Museum in Essen