Koons apes the old masters and robots invade Edinburgh – the week in art

Jeff Koons heads to Oxford, Tracey Emin shows new work in London and the V&A debuts a sumptuous survey of Christian Dior – all in our weekly dispatch

UK house price growth stagnates on back of Brexit concerns

Average price up by 0.1% – the smallest annual gain since February 2013, says Nationwide

Super-tall, super-skinny, super-expensive: the ‘pencil towers’ of New York’s super-rich

An extreme concentration of wealth in a city where even the air is for sale has produced a new breed of needle-like tower. By Oliver Wainwright

Melbourne and Sydney house prices plunge further in January

Melbourne market falls 1.6% in a month as property crash continues to accelerate

Black History Month: the seven must-see art exhibitions

This February across the US, a range of exhibitions will showcase the expansive work of black artists and photographers