When Marcel Duchamp brought a bicycle wheel on a stool into the gallery, he turned ideas of sculpture and authorship on their head. We reflect on the legacy of this great 20th century figure and meet a couple of contemporary art innovators working today.

Hans and Nora Heysen are renowned for their almost spiritual love of nature, and the way they meticulously observed and painted Australian light, trees, and flowers. Ed speaks to Chris Heysen - grandson of Hans and nephew of Nora - and National Gallery of Victoria curator Angela Hesson about these two important Australian painters.

Henri Matisse and Pablo Picasso are thought of separately as two of the 20th Century's greatest artists, but did you know they had an enduring friendship and rivalry?

The irresistible theme of Water is explored in a new exhibition at GOMA in Queensland. And we meet Estonian photographer Sirli Raitma, and reflect on the life of Australian sculptor Robert Klippel.

Author, illustrator and film-maker Shaun Tan explores our beautiful and complex relationship to animals. And we speak to the provocative Darwin-based artist Therese Ritchie, whose work confronts racism in the Top End.

Keith Haring and Jean-Michel Basquiat are towering figures in American art. A new exhibition examines the work of the men side by side for the first time.

Atong Atem is a Melbourne-based South Sudanese artist, whose work features young African Australians looking bold, powerful and regal - a welcome change to the tradition of ethnographic photography. We also visit the studio of Darwin artist Franck Gohier, and delve into the world of monsters and demons in Japan Supernatural at the Art Gallery of New South Wales.

British artist Cornelia Parker never does things by halves. Over the course of her career she's taken on big themes, big moments in history, and exploded them - sometimes quite literally. We also speak to Taiwanese-American artist Lee Mingwei and Australian photographer Sarah Pannell.

Artist Wendy Sharpe is about to travel to Ethiopia to undertake a residency with a difference and British artist Bruce Monro lights up Darwin.

Plus critic Tai Snaith reviews the Melbourne exhibition Hope Dies Last and we revisit the work of Australian modernist photographer Olive Cotton.