Auction house will sell the 65 works, including $70m works by Rothko and Giacometti, in two standalone sales in November and next May

In the Presents section, galleries founded within the past ten years present solo or dual-artist shows. Here are some works to look out for this year

Ahead of the 20th anniversary of the attacks, a new film follows the challenges behind the making of the National September 11 Memorial and Museum in New York

The documentary film about the world’s most scrutinised painting, by the Danish director Andreas Koefoed, premiered at the Tribeca Film Festival on Sunday

Plus, the story of a notorious forger and artist Collier Schorr on August Sander

Before the public opening on 18 March, see the startling installation of the museum's Old Masters collection in the Brutalist Breuer building

Expanded 20th-century art week in US will swallow up London auctions; Sotheby's has yet to make a decision about its New York spring sales

Pace, Hauser & Wirth and some others have confirmed that they will temporarily shut down

But specialist galleries, who might expect up to 50% of their revenue to come from the annual event, still plan to host exhibitions this month

The unprecedented three-way exhibition of more than 300 works will open in May, coinciding with the city's auction week

Record prices were set for Charles White, Brice Marden, and Wayne Thiebaud, while a Clyfford Still painting prompted a prolonged bidding war

Ed Ruscha's visual pun Hurting the Word Radio #2 rose to $46m, a new world record for the artist, but most lots barely reached their estimate in a slow sales season

The newly private auction house led the night's lots with its known money-maker Claude Monet, and set a world record for the Polish artist Tamara de Lempicka

In our new video series, deputy art market editor Margaret Carrigan recaps the highlights of New York's billion-dollar auction week

One of the works was looted by the Nazis from Jewish collector Jacques Goudstikker, but is now being sold by his heir after restitution

Commercial galleries continue to expand in Manhattan despite steep real estate costs

Just two paintings significantly damaged the auction house's bottom line in the second quarter

But the preservationist group Stop Irresponsible Frick Development has protested the project, saying "the public has not been given a fair opportunity to provide feedback"

Around 250 workers are fighting for better pay and benefits, as the museum gears up to open a $400m expansion