The export deferral on the famed painting has been extended to 10 June, giving London’s National Portrait Gallery a few more weeks to work out a deal, possibly with the Getty

Museum is accused of “reprehensible” behaviour in allegedly allowing crisis-hit parent company Adani to greenwash its huge fossil fuel business

Refurbished museum has also announced shows of female photographers Yevonde, Francesca Woodman and Julia Margaret Cameron and will see the return of David Hockney

Our pick of the latest gifts and purchases to enter institutional collections worldwide

Museum in London acquired refurbished ticket kiosk site for £3m with funds from businessman Len Blavatnik

The refurbishment is backed by a raft of sponsors including British-American billionaire Leonard Blavatnik and international law firm Herbert Smith Freehills

Works on self-identity will be shown at the revamped London gallery next year

The museum has until March 2023 to stop the work leaving the UK

Phillips's masterpiece is A Humument, a 50-year recreation, redrawing and rewriting of a long-forgotten Victorian novel, that informed the artist's wider output, including an opera and his translation of Dante's Inferno

First floor of London museum to be renamed the "Blavatnik Wing" and will display 100 years of portraiture across nine galleries

Plus, the £50m Joshua Reynolds painting and Michael Heizer’s City

Joshua Reynolds's painting of a Polynesian man who travelled to Europe is emblematic of the extraordinary meeting of European and Pacific cultures 250 years ago

If the purchase is successful it will be one of the most expensive works ever bought by a UK museum

The funds will cover nearly the entire cost of commissioning official portraits of the former president and former first lady Melania Trump for the National Portrait Gallery

Spokeswoman for the oil company says it is looking at new ways to best use its resources in order to become net-zero by 2050

Former Brexit Party candidate Inaya Folarin Iman joins board of the National Portrait Gallery in London

National of Gallery of Art also plans to open its West Building in Washington, DC

Woodland scene by Jan Brueghel the Elder heads to Washington DC; London’s National Portrait Gallery gets a Gainsborough via acceptance in lieu

The portrait of David Webster will return immediately to the opera house before going to the National Portrait Gallery in 2023 for its reopening exhibition

The typescript of Eric Chilston's book, based on primary sources and eye-witness accounts, was rediscovered in 2018 after being thought lost for nearly 40 years

The museum director has been delving into artist biographies, swotting up on black British history and is hoping to finally begin a well-known novel trilogy

Unrestricted money from public and private sources is helping to keep hard-hit organisations running, but capital projects could suffer

Fuel company's decision to withdraw from the BP Portrait Award judging panel was a missed opportunity to end sponsorship relationship, artist believes

Enforced delay due to Covid-19 could add to millions of pounds of lost income in the sector

The exhibition at the National Portrait Gallery unites 150 images, including rarely exhibited photographs of his sisters Nancy and Baba

Director Nicholas Cullinan and architect Jamie Fobert reveal how the gallery’s controversial three-year closure will transform its 600-year collection of portraits

From David Hockney's portraits to a photography show radically rethinking masculinity

Ian and Annette Cumming set out to commission likenesses of people who would remain renowned