From Soutine’s flushed-cheek portraits to Alex Katz’s 10ft-tall sculpture of his wife Ada 

New research by the National Gallery of Art looks into the complex question of what constituted a finished work in the eyes of the artist

Katz, who turned 90 years young this year, is in town for the opening of his solo exhibition at Timothy Taylor Gallery

The mysterious Scythians—tattoos and all—are brought to life in show at the British Museum

A surprise find in the Bronx is now part of an exhibition on Baroque painter Cristóbal de Villalpando

The painting has rarely gone off display at the museum since its opening in 1928—until now

Study of Latin American works from the Coleccíon Patricia Phelps de Cisneros reveals orientation shifts, household paint and ways to obtain that perfect edge

Latest commission at the Headlands Center for the Arts continues long tradition of rehabilitation projects at the former military complex

Façade restoration nears completion in project to unite the RA campus in time for 250th anniversary in 2018

From surfboards to a Second World War bomber, new show charts the rise of the humble material

Australian-born painter's workspace temporarily opens this summer for his centenary

From the subterranean delights of East London to Sargent’s lesser-known paintings

Sea Music (1991) on Dorset's Poole Quay refreshed after 25 years' exposure to salty sea air and detritus from barges being loaded

The 3D data will allow troops on the ground to asses conditions of monuments via their laptops

Good things come in small packages at the Rijksmuseum

Basel museum plans survey on Swiss duo

Artists—some also refugees—respond to the migration crisis in shows in Swiss- and French-border cities

Artists’s epic video at Basel’s Schaulager transports visitors 1,000 years into the future

Museum Tinguely director Roland Wetzler picks six highlights from Art Basel—and remembers Jean Tinguely's destructive legacy

From the Beyeler's first photography show to Delvoye’s excrement-making machines

From shit machines to abstract paintings made by one very artistic robot

Conservator travelled to Jordan to treat her work ahead of major Tate Modern show opening this week

These tiny masterpieces are both pious and playful

His trust needs £2.3m to create artists’ studios and a permanent gallery devoted to the 20th-century Australian painter

Gemeentemuseum has been assessing works since 2009 as part of its Mondrian Restoration Project

France’s former culture minister among candidates to be new director-general

A century of grime was removed from the teaching tools ahead of the show

The installation is secured to the ceiling via 1,500 Perspex discs filled with a state-of-the-art adhesive

Zaki Aslan, the director of the ICCROM-ATHAR Regional Conservation Centre in Sharjah, will deliver talk in London on heritage in conflict zones

Plaster sextet will appear together for the first time since it was unveiled at the 1956 Venice Biennale