The New York office of architecture studio OMA has completed its renovation of Tiffany & Co's flagship store in Manhattan, adding a three-storey glass extension to the historic jewellery store. More about OMA tops Tiffany & Co's Fifth Avenue flagship with "jewellery box" addition
Minneapolis-based architecture studio MSR Design has installed a tech campus within the shell of a 70-year-old abandoned steel mill in Pennsylvania, adding three colourful buildings and a massive solar array to the rooftop. More about MSR Design places colourful buildings and walkways in skeleton of Pittsburgh steel mill
Global architecture studio SOM and landscape architecture studio James Corner Field Operations have installed a block-long timber truss bridge called Timber Bridge, which connects Manhattan's High Line to the renovated Penn Station. More about SOM connects block-long glulam bridge to the High Line
American architecture studios Gensler and Civilian have restored the historic Book Depository building in Detroit and transformed it into the headquarters for technology company Newlab. More about Gensler and Civilian transform 1930s Detroit post office into workspace and technology centre
New York City-based firm Studio MM Architect has completed a Corten steel-wrapped house with a dogtrot-style breezeway that connects to a home studio in North Branch, New York. More about Studio MM wraps rural New York home in Corten steel
This week, New York's design week returns for another iteration. Here, we have rounded up key shows, talks and installations put on by organisations and brands including NASA, Muji and the Female Design Council. More about Twelve things to do and see during New York's 2023 design week
An event pavilion and aerial tree walk are among the enhancements to Portland's Leach Botanical Garden, which is being upgraded by a team that includes US studios Land Morphology and Olson Kundig Architects. More about Land Morphology and Olson Kundig update Oregon botanical garden
New York's design scene has a breadth and energy that makes NYCxDesign an experience distinct from its European counterparts says the festival's executive director Ilene Shaw ahead of its opening this week. More about "Don't come wearing Milan or European glasses" says NYCxDesign executive director
And And And Studio has overhauled the offices for one of LA's top entertainment law firms, opting for a look that's "more akin to a hotel lobby". More about And And And Studio brings 1970s elements to Century City Law Office
New York-based studio Fuller Overby has created a home clad in charred cypress that cascades down a hill to a lake in North Carolina. More about Fuller Overby stacks cypress-wrapped spaces for North Carolina lake house
New York has passed a bill that prohibits fossil fuels being used for power, heating and cooking in new buildings constructed in the state, setting "a new standard for the future of building design" according to AIA New York president Matt Bremer. More about New York's "visionary" All-Electric Building act prohibits the use of fossil fuels in new buildings
Employees at the New York office of architecture firm Snøhetta have announced a bid to unionise the studio, which would make it the second private-sector architecture studio in the United States to do so. More about Snøhetta New York employees aim to unionise to "gain a collective voice"
Hotel brand Moxy has opened its first outpost in Brooklyn, with plentiful gathering spaces including a bar with motorised 20-feet-tall liquor shelves and an eatery modelled on Tel Aviv's Bauhaus architecture. More about Basile Studio enlivens Moxy Williamsburg hotel with "eclectic grab-bag" of spaces
Architecture studio Adjaye Associates has broken ground on its project converting the West Heating Plant and Coal Yard in Washington DC into luxury residences and a private park. More about Adjaye Associates begins transformation of historic Washington DC power plant
Pools of red carpet spill across the floor of this women's fashion boutique designed by JUJU Studio in New York City. More about JUJU Studio creates "poetic and romantic" flagship for Miss Circle in New York
Large openings and earthy materials feature in a guesthouse that architecture studio Bohlin Cywinski Jackson has added to a private residence on a secluded island in the Pacific Northwest. More about Bohlin Cywinski Jackson designs nature-infused Henry Island Guesthouse in Washington
Los Angeles architecture studio Formation Association has turned an assemblage of buildings in West Hollywood into a new home for London-based auction house Phillips. More about Formation Association transforms series of buildings for Phillips Los Angeles
Brooklyn studio O'Neill McVoy Architects has adapted a historic powerhouse into a museum for children in the Bronx that highlights the historical building while adding playful details. More about O'Neill McVoy inserts mass-timber children's museum into 1920s Bronx powerhouse
Architecture studio SOM has unveiled designs for the mass-timber New York Climate Exchange on Governors Island, which will be topped with a solar panel-covered canopy. More about SOM designs "sinuous" mass-timber building for New York Climate Exchange
New York studio PAU has released designs for air traffic control towers that will be built at airports in the United States as the largest commission since IM Pei's designs in the early 1960s. More about PAU designs US air traffic control towers to "build on legacy" of IM Pei