Archaeological trove discovered beneath zoo heads to Rio de Janeiro’s National Museum
More than 30,000 imperial artefacts were found in the nearby RioZoo last week
Activist artist arrested on eve of Havana Biennial
As the cultural event gets under way, a Cuban-American artist is also blocked from entering Cuba
FBI launches campaign to return haul of Native and South American works
Thousands of illegally removed items—including human bones—were discovered on collector’s farm
São Paulo's new millionaire governor João Doria proposes massive cuts to culture budget
Museums and cultural institutions in the Brazilian state prepare for closures and cancelled programmes
Cause of Rio de Janeiro’s National Museum fire revealed
An overheated air conditioning unit was the starting point of the inferno that destroyed the building last year
Three exhibitions to see in New York this week
From Lucio Fontana's punctured canvases to an intimate look at Frida Kahlo's personal objects
Touch the sky: Doug Aitken’s hot air balloon work to lift off in Massachusetts
The multi-media artist is taking to the clouds with a new roaming project starting in Martha’s Vineyard
The Confederate flag of surrender rises in Philadelphia
The artist Sonya Clark aims to make the symbol of truce better known than the more pervasive battle flag
A national treasure of Native American art in Los Angeles is looking for a new owner
The historic Southwest Museum, operated by the Autry Museum of the American West, is seeking proposals for reuse
Object Lessons: from a triumphant tapestry by El Anatsui to a heroic charcoal drawing by Charles White
Our picks from upcoming fairs and auctions in the next fortnight
Masp retrospective to explore Lina Bo Bardi's legacy and influence on Brazilian art
The Italian architect, who made Brazil her "adopted home", designed the eclectic São Paulo museum in the late 1940s
Three exhibitions to see in New York this weekend
From the "computer cowgirl" Gretchen Bender to Girault de Prangey's haunting snapshots of the past
Emma Kunz and the art of healing: drawings used in rituals come to London
Serpentine Gallery presents the first UK exhibition of the mystical Swiss artist’s geometric drawings
Object lessons: from a highlight of New York's Asia Week to a Surrealist watercolour
Our picks from upcoming fairs and auctions in the next fortnight
Three exhibitions to see in New York this weekend
From a meditation on power to female sexual awakening
Asia Week’s 10th anniversary brings classic and contemporary offerings
Our picks of highlights from commercial galleries participating in the event
Protests against Cuba’s censorship law continue as Havana Bienal opening nears
A new report by the non-profit organisation Pen America calls for the repeal of Decree 349 while Cuban artists ask for solidarity from biennial participants
Inhotim arts centre reopens in wake of deadly Brazilian dam collapse
As one of the biggest employers in the area, the vast open-air culture complex wants to support victims
Three exhibitions to see in New York this weekend
From a view of the West from China, to Carol Rama's weird works made with dolls eyes
What to buy at Frieze Los Angeles? Lisa Anne Auerbach offers psychic art advice
Artist's performance for the fair's projects programme aims to unshroud doubts around collecting and the art market
Three exhibitions to see in New York this weekend
From Frida Kahlo's hidden treasures to a layered look at James Baldwin
Nan Goldin’s anti-opioid activist group storms New York museums
Pain held demonstrations at the Guggenheim and the Met over the weekend
New York Botanical Garden’s landmark glass conservatory to close for renovation
$17.7m effort includes refurbishment of “palm dome” and two galleries
Have Brooklyn and Boston bagged Frida Kahlo blockbusters?
Shows at the Brooklyn Museum and the Museum of Fine Arts Boston explore the Mexican artist’s love of fashion and “arte popular”
Object lessons: from a heart-shaped meteorite to a censored image of Joséphine Baker
Our highlights of works being sold over the next fortnight
Las Vegas-based artist claims that Ariana Grande plagiarised his work
Vladimir Kush is suing the 7 Rings singer for copyright infringement
Guggenheim deaccessions work by Zao Wou-Ki as the artist’s market swells
Following a $65m sale of the Chinese modernist’s work in October, Sotheby’s will offer an untitled work this spring to benefit the museum’s acquisition fund
Rio de Janeiro's slave wharf museum gains ground
The Unesco-listed site is due to receive a museum of Afro-Brazilian culture
Three exhibitions to see in New York this weekend
From female artists who made their mark on New York to designs for cities of the future
Forthcoming Las Vegas branch of the Nevada Museum of Art Museum gets underway
The museum has tapped Heather Harmon as its deputy director and needs to raise $12m by October