Curators uncover alternative histories of colonial America through new research

Proprietary screening software will trawl the dark web for fakes and unauthorised copies sold online

Since the arrival of a contemporary fair jolted its local collecting scene, Dallas has gone from outpost to hot spot

Exhibition features ancient objects and Medieval manuscripts, along with contemporary commissions by a Syrian-born artist

Decisive shift away from historic art exhibitions began in mid-2000s

New research reveals that increasing the number of exhibitions pays off for museums

Cultural exchange is easier said than done

The artist’s installation at the home of Hudson River School painter Frederic Edwin Church reminds visitors that stunning painted vistas were also homes to real people

George Goldner, who led the museum’s department of prints and drawings for two decades, says it needs to reassess its priorities

Institutional leaders say such restrictions would have grave consequences on exhibitions, research and the future of cultural exchange

The news comes as the New York museum tackles financial problems, sheds staff, cuts down on shows and postpones a $600m project

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

“The ban affects all of us” say signatories from across the art world

The museum installs works by artists from Muslim nations in its permanent galleries

New York firm finds niche helping artists and galleries

Archives in the US and the UK are collecting the wittiest and sharpest signs from the protests over the election of US president Trump

Captiva, the late artist's Florida compound, is "at high risk of storm surge flooding”

Scans reveal the Florida institution's portrait of Philip IV had a fashion-forward makeover

Leiden Collection due to open at the Louvre next year before travelling to Shanghai, Beijing and Abu Dhabi through 2018

Museum invites 24 artists to exchange images through their phones “in a game of visual ping-pong”

Keir collection of 2,000 works is one of the world's largest

The series of 15 never-before-shown works have remained in the artist’s Maine studio since he started them in 2006, four years before his death

The US artist Jill Magid on making art about bureaucracy

As waters rise, Miami is on the front line of global warming

Artist’s refuge in tiny Captiva has been transformed into a retreat

Papo Colo will live off the land in silence for 400 days as part of a new performance

First reactions to property tycoon’s election to the White House and what it could mean for the arts

Annette Lemieux asked the museum’s curators to reverse her work Left Right Left Right

Los Angeles-based billionaire makes surprise $42.5m gift to fund expansion

Collectors’ gift is part of wider trend in US museums as they redefine American art