Our highlights from January's fairs and auctions

From Grace Wales Bonner's group show at the Serpentine Sackler Gallery to a last chance to see Christian Marclay's The Clock at Tate Modern

Frieze's Matthew Slotover and Gagosian Gallery's Gary Waterston among signatories

Mystical rituals lie at the heart of the fashion designer’s first major exhibition taking place at the Serpentine Sackler Gallery

Our pick of highlights from January's auctions

The Scottish painter will lead a committee of fellow artists to organise the annual contemporary art show

From Condo’s gathering of 52 galleries to a last chance to take a dip into Elmgreen & Dragset’s world at the Whitechapel Gallery

Some fear MCH Group’s decision to sell could be a blow to country’s art market

From Roma persecution to dreamt-up countries

Art is Part of the Equation forms part of the institution’s push to make art more accessible

The people, places and things that had a year to remember—or to forget

Our pick of highlights from December's auctions

Get caught up in Tomás Saraceno’s webs at the Palais de Tokyo and listen to Sophie Calle’s dead cat tribute featuring Bono and Pharrell Williams

Tis the season for Old Masters: here are three works to seek out, from a mythological marriage portrait to Annibale Carracci's sketch on an old account book

Gaurav Bhatia is co-operating in "formal enquiry" ahead of auction house’s inaugural sale in Mumbai today

From Thomas Gainsborough's family portraits—including his pet dogs—at the National Portrait Gallery to "sexual warfare" at Goldsmiths CCA

From the treasures of an Assyrian king at the British Museum to Lorenzo Lotto’s insightful portraits at the National Gallery

The off-beat artist will re-envision the exterior of the historic building

Bita Vakilli's work was withheld for a week by government officials

Two works supposedly owned by bankrupt company, whose director Matthew Green resigned in February following FBI sting operation, are "apparently" in Dubai