Art Basel in Hong Kong, which opens this week, has turned the city's fortunes around, art-wise, but the city's cultural infrastructure still has a way to go

Thousands of items, including Einstein's calculations and de Sade's writings, will return to market

Contemporary works join ceramics and ink paintings from specialist dealers

Paul Kasmin among those who will take take up residence next to the High Line

Move is part of auction house’s shift to online sales, which more than doubled last year

Our pick of highlights from this week's auctions and fairs

June auction will feature works of art that can be reproduced at actual size in the catalogue

Records for Wolfgang Tillmans and Georg Baselitz help auction house achieve 70% more than last year

Records for seven artists contribute to an increase in value of 65% on last year

In an uncertain market, auction houses seek ways to make up the slack

New author sheds light on 'opaque' art dealer market

Art Dealers Association of America's fair kicks off Armory week with a feminine touch

Founding director has been searching for an African venue since she first established the event in London five years ago

Art Basel in Hong Kong has turned the city’s fortunes around, art-wise, but the city’s cultural infrastructure still has some way to go

Cromwell Place is intended primarily for galleries but will provide space for non-selling exhibitions too

Buyers using works as collateral and allegedly defaulting on payment becoming increasingly common in "frothy market"

Already suffering from fair-tigue? A former director ponders how the format must evolve to survive

The city’s prime time for contemporary art gets a new programme, with an emphasis on discovery and depth

As interest grows in the country’s overlooked artists, its galleries test the water at Madrid's Arco fair

The 2017 programme is about seeing and being seen—just like an art fair, curator Cecilia Alemani says

Art scene is expanding into other parts of the city after high rents forced an exodus from downtown

Despite political volatility in the country, the fair’s organisers hope to maintain momentum with growing interest from foreign collectors as well as galleries

Organisers say Western galleries are attempting to protect their interests in the Chinese market

Scientific analysis comes to the fore as Sotheby's establishes new department, but some remain doubtful about technology's reliability

MCH Group took a majority stake in the fair and now plans a digital overhaul

Players in the trade acknowledge the problem, but disagreement over how to address it has resulted in a gridlock that helps to keep forgeries in circulation