They are increasingly sounding the alarm on global warming, through new works and collaborations with scientists

The programming series comes as Trump’s administration is fighting California over its "sanctuary state" laws

US Supreme Court called on to consider potential harm to arts organisations and the American public

The amicus brief signed by more than 100 museums should shame the justices of the US Supreme Court

Todd Brassner was close with and owned works by Andy Warhol, who made him a portrait

The payment came early on in the US presidential campaign in exchange for a 20-minute video appearance

The temporary prison installation featured live rats, McDonald’s wrappers and a handcuffed lookalike depicting “Trump’s likely fate”

Politicised work from the 1970s finds contemporary parallels at Aipad’s Photography Show

Activist curators and directors can make truly democratic spaces, but they need brave boards to support them

Others, including the Italian artist Maurizio Cattelan, support Christoph Büchel’s proposal to turn the eight designs into national monuments

The petition to make the proposed border wall a National Landmark is one of the worst excesses of contemporary art and needs to be called out

The president’s 2019 budget includes a similar proposal to last year’s failed plan to defund America’s arts bodies

While other artists sign open letter denouncing the concept

The artists Daria Marchenko and Daniel Green describe the work as “rich and cheap”

Georgina Adam on why Guggenheim's chief curator should rise above President and his "swampy" world

The 45th president's values are at odds with those that most museums hold at their core

Interfaith network says that its efforts are more difficult—and urgent—since President Trump’s declaration on Jerusalem’s status

The protest work He Will Not Divide US has been moved four times after attacks by far-right extremists and vandals in the US and UK

Frieze London’s talks programme focuses on the rise of alt-facts and artifice—a realm historically the remit of artists

Artists show how one person's real-estate goldmine is another's lost home

Exhibition highlighting effects of climate change to open near Mar-a-Lago

Many US museums are open free to the public on 20 January as divisive president-elect takes Oath of Office