Millionaire Jonathan Ruffer’s ambitious regeneration of a small former mining town in northern England reveals 1,000 years of history and art

More than three years after the massacre, a winning design has been selected for a $45m museum and memorial campus, but some survivors and victims’ families would rather it stay unbuilt.

The Los Angeles and Shanghai institutions say their joint foundation is still in progress

The arts and performance venue has refused to accept a £1m grant from the Sackler Trust because of risk it would "distract from its work with young people"

After grand expansion, New York museum is already planning to swap out more than 700 works next spring

Sandra Jackson-Dumont will take over in January as leader of George Lucas’s $1bn project in Los Angeles

Culture chief Chris Dercon says the new space will hold events during the museum's three-year refurbishment, including a collaboration with Unesco

From next spring the foundation will hold exhibitions "in whatever part of the world I feel the dialogue is needed”, says founder Ziba Ardalan

“It’s the most spectacular representation of a tournament of that time,” a Met curator says

Leonid Mikhelson says that the "frightening" cost that he had initially anticipated for the GES-2 complex has doubled

Exhibition profiles the intrepid Baroness Hyde de Neuville, who chased down Napoleon and was friendly with America's founding fathers—and never stopped drawing

Iraqi culture ministry announces new national museum in Baghdad as Mosul restoration plan is extended to historic churches

Among the most striking examples of the museum's more global and inclusive approach is a gallery with the theme War Within, War Without

From thermal heat maps to diagrams outlining escape routes for undocumented immigrants

New programme at Little Tokyo satellite is named after trustee Wonmi Kwon, who funded it with $5m gift

Washington's National Portrait Gallery will display finalists’ work in a contest that helped to vault the reputation of Amy Sherald

Brighton CCA, run by the University of Brighton, launches with exhibitions on German artist Franz Erhard Walther and south London collective Dog Kennel Hill Project

Museum unveils experimental Studio for live art and invites public participation in the Creativity Lab

Supporters of new international Climate Heritage Network argue that the sector has a “moral duty” to act

Curators and dealers perceive a “new metabolism” in the permanent collection galleries

Seven-metre painting offers "canvas proof" that self-taught nun ran an all-female workshop in her convent 450 years ago

Yemisi Shyllon hopes other Nigerian collectors will follow his example and help found teaching museums that promote art education

We speak to two of the museum's curators leading the expansion and our New York team sit down to discuss the highs and lows of the new space. Produced in association with Bonhams, auctioneers since 1793.

As the museum opens an ambitious $450m expansion, activists are demanding that “vulture fund” investor Steven Tananbaum be taken off the board—but he is not the only trustee with financial interests in the island

The “art factory” will be a conservation, exhibition and storage space and is expected to open in 2025

Bequest comes from New York collector Jayne Wrightsman, who amassed an 18th-century library to complement her celebrated French furnishings

Washington DC’s Museum of the Bible had acquired the artefacts through its founder Steve Green

He was the National Gallery of Art’s founding curator of 20th-century art and led the Modern Art Museum of Fort Worth and Memphis Brooks Museum of Art

After being blocked from entering the American Museum of Natural History, decolonisation demonstrators took to the streets, ending at the Metropolitan Museum’s steps