Spanish architect Andrés Jaque has created a towering network of water-purifying pipes for this year's courtyard installation at MoMA PS1 in Queens, New York (+ slideshow). More about Andrés Jaque's giant water purifier unveiled in MoMA PS1 courtyard
Portuguese architect Álvaro Siza has been commissioned to design a luxury condominium tower in New York City – his first American project. More about Álvaro Siza's first US project to be a luxury residential tower in Manhattan
Work has begun on the new "School of Genius" campus in New York City, which aims to boost the city's burgeoning tech industry (+ slideshow). More about New York's Cornell Tech campus will include buildings by Morphosis and Weiss/Manfredi
These two pavilions that have been constructed on New York's Governors Island aim to be more than just eye-catching temporary structures – at the end of the summer they will be recycled to make chandeliers, sun canopies and oyster beds (+ slideshow). More about Governors Island pavilions will be recycled to create shade for people and homes for oysters
Working with a tight budget, Brooklyn-based Etelamaki Architecture has transformed a crumbling three-unit townhouse into a modern family home in the borough's South Slope neighbourhood (+ slideshow). More about Corrugated metal clads Brooklyn townhouse by Etelamaki Architecture
Construction work has begun on Foster + Partners' delayed New York tower at 425 Park Avenue (+ slideshow). More about Foster + Partners' New York skyscraper will be first new office tower on Park Avenue in 50 years
Japanese architect Tadao Ando has revealed details about his first building in New York City, explaining that he wanted to "create something that only a Japanese person could do" (+ movie). More about Tadao Ando says his first New York building will be "a very quiet piece of architecture"
Brooklyn studio SO-IL has used corbelled brickwork to create a textured entrance to an art gallery in New York's Chelsea neighbourhood. More about SO-IL adds decorative brick entrance to Tina Kim Gallery in Manhattan
BIG has unveiled designs for Two World Trade Center, confirming that the skyscraper's original architect, Foster + Partners, has been ousted (+ slideshow). More about BIG unveils replacement for Foster's Two World Trade Center design
New York designer Karim Rashid has asked his Facebook fans to select their preferred option from four facades for a building in the city's SoHo district. More about Karim Rashid asks Facebook followers to pick facade for NY building
Social network LinkedIn's offices in New York's Empire State Building include a room lined with vintage telephones that leads to a secret bar (+ slideshow). More about LinkedIn offices in the Empire State Building include a hidden speakeasy
Incubating chicken eggs and objects made by prison inmates are among the artefacts currently on view in a tiny museum in a New York City alleyway (+ slideshow). More about Tiny New York museum showcases objects obtained through rapid-response collecting
What's the difference between design in America and Europe? Is it harder for designers to make a living in the States? Is there any such thing as American design today? To coincide with the opening of our New York office last month, we asked practitioners, curators and observers in the city to give their views. More about "American taste is different" say New York designers
Architects including Steven Holl and Bjarke Ingels have created Lego buildings for an installation by artist Olafur Eliasson on the High Line in Manhattan (+ slideshow). More about OMA, Renzo Piano, BIG and Steven Holl build Lego structures for Olafur Eliasson installation
Architects and engineers from ETH Zurich university have used waste material to create a vaulted pavilion for New York City's Ideas City festival (+ slideshow). More about ETH Zurich designers create arched pavilion out of upcycled beverage cartons
A stainless-steel slide curls down through the interior of this elevated playhouse, which is topped by a crow's nest offering views over New York's Hudson River Valley (+ slideshow). More about Playhouse on stilts by Sharon Davis features a slide, a climbing frame and a lookout point
White curved walls merge into a tapered ceiling inside this yoga and meditation studio in New York, designed by Clouds Architecture Office to look like a fog has descended (+ slideshow). More about Curved walls confuse perception of space inside yoga studio by Clouds Architecture Office
An exhibition at New York's Museum of Arts and Design celebrates the work of Ralph Pucci, whose mannequin designs chronicle changes in visual culture over more than 30 years (+ slideshow). More about Ralph Pucci's fashion mannequins "mirror how we want to see ourselves"
Israeli artist Daniel Rozin has designed an interactive "mirror" from faux-fur bunches that change colour to create moving silhouettes (+ movie). More about PomPom Mirror creates "reflections" with tufts of fur
New York-based designer Constantin Boym has been selected to lead the industrial design department at one of America's prominent design schools. More about Constantin Boym named head of industrial design at Pratt School of Design