New York-based Ennead Architects has completed a renovation and expansion of the Westmoreland Museum of American Art, adding a zinc-clad volume that juts out from the facade (+ slideshow). More about Ennead completes Pennsylvania museum wing that cantilevers over the landscape
US firm Valerio Dewalt Train Associates has completed a stone and glass arts centre in Chicago for a progressive private school for children (+ slideshow). More about Valerio Dewalt Train uses stone and glass to build angular arts building in Chicago
Architect Gabriel Calatrava, son of Santiago Calatrava, has designed a rope installation for a performance of Johann Sebastian Bach's chamber music for the 92Y cultural center in New York (+ slideshow). More about Gabriel Calatrava designs stretchy rope installation for classical music performance
Bjarke Ingels Group has released a conceptual design for its latest project in New York, an office skyscraper wrapped in a ribbon of green terraces (+ movie). More about BIG unveils designs for The Spiral office tower in New York
Construction work has begun on Foster + Partners' new wing for the Norton Museum of Art in West Palm Beach, Florida, a project that was first announced in 2013 (+ slideshow). More about Works begins on Foster + Partners' Norton Museum expansion in Florida's West Palm Beach
San Francisco company Cobalt has introduced a line of small planes targeted at design-minded luxury consumers. More about Cobalt introduces "design-centric" small aircraft for luxury buyers
This house in Amagansett, New York, by Bates Masi Architects is designed to take advantage of its windy site on Long Island's south shore (+ slideshow). More about Amagansett Dunes House by Bates Masi Architects is shaded with strips of canvas
Apple may be better known for cutting-edge contemporary design, but a New York preservation group is honouring the company for sensitively reusing old buildings with its store designs (+ slideshow). More about Apple given New York preservation award for repurposing historic buildings
American firm Hennebery Eddy Architects used wood, concrete, glass and battered stone to create this chapel on a Jesuit high school campus in Seattle (+ slideshow). More about Seattle chapel by Hennebery Eddy features walls of rough sandstone and concrete
The $28 million full-floor penthouse at the BIG-designed Grove at Grand Bay towers includes a rooftop pool, four-car garage and ten bathrooms (+ slideshow). More about Penthouse in BIG's twisted Miami towers is on sale for million
Anthony Dunne and Fiona Raby are joining the teaching staff at Parsons design school in New York, after leaving the Design Interactions course at London's Royal College of Art last year. More about Dunne and Raby move to Parsons following RCA departure
A team from Massachusetts Institute of Technology has won a competition to design an experimental capsule for the Hyperloop – a conceptual high-speed transport network conceived by billionaire entrepreneur Elon Musk. More about MIT students' bullet-shaped Hyperloop pod wins Elon Musk's SpaceX competition
Business news: online retail businesses are becoming more expensive to run than traditional design stores, according to Bradford Shellhammer, who co-founded Fab.com and launched Bezar.com. More about It's now cheaper to open a traditional shop than an online store, says Fab co-founder
Business news: online design store Bezar has been bought by internet marketplace Ahalife and will disappear as a brand, founder Bradford Shellhammer has announced. More about Bradford Shellhammer's Bezar acquired by online retailer Ahalife
Mexico City-based Escobedo Soliz Studio has won this year's MoMA PS1 Young Architects Program contest, with plans to create a colourful woven canopy and a paddling pool in the New York gallery's courtyard (+ slideshow). More about Escobedo Soliz to create "cloud of ropes" for MoMA PS1 Young Architects Program
New York-based Diller Scofidio + Renfro has completed a new home for the Berkeley Art Museum and the Pacific Film Archive, adding a sculptural metal volume to an old industrial plant (+ slideshow). More about Official photos released of new Berkeley art and film centre by Diller Scofidio + Renfro
Bjarke Ingels' firm has unveiled its design for a police station in New York that will consist of intersecting blocks clad in concrete, metal and glass. More about BIG reveals design of police station planned for the Bronx
New York architecture firm nArchitects has released new photos of its modular, micro-unit residential building that is intended to serve as a "systemic new paradigm" for cities facing an affordable housing crisis (+ slideshow). More about Photos released of New York's first micro-apartment tower by nArchitects
Work starts this week on a huge bridge made up of 10 pairs of arches, designed by architect Michael Maltzan to replace the iconic Art-Deco Sixth Street Viaduct in Los Angeles (+ slideshow). More about Michael Maltzan's Ribbon of Light Bridge to break ground in Los Angeles
The iconic Barbie doll is now available in several different body types, including a more full-figured version for the first time. More about Barbie redesigned to include more body types and skin tones