News: 10 architecture firms – seven from the UK and three from the Czech Republic – have been selected via an international design competition to create housing designs for a development on the outskirts of Prague. More about Czech and UK architects win Prague housing project
This pavilion featuring green walls and a colonnade was designed by Berlin studio Raumlabor to surround a small fountain in the centre of Montreal (+ slideshow). More about Raumlabor builds a grass-covered enclosure around a Montreal fountain
Italian architect Renzo Piano has upgraded the facilities of the Harvard Art Museums in Boston, Massachusetts, by adding a new gallery wing and transforming a former courtyard into a top-lit atrium (+ slideshow). More about Renzo Piano reconfigures Harvard Art Museums around a grand courtyard atrium
News: Frank Gehry has completed his first building in Australia – the Dr Chau Chak Wing building at Sydney's University of Technology, set to open in early 2015 (photos by Peter Bennetts). More about Frank Gehry's Sydney business school completed ahead of 2015 opening
News: Herzog & de Meuron's proposal for the first new skyscraper in Paris for over 40 years has been rejected by councillors in a controversial decision that has been declared invalid by the city's Socialist Party mayor.
More about Herzog & de Meuron's triangular tower rejected by Paris councillors
The zigzagging roof of this family residence in South Korea prompted architecture studio Apparat-C to name it Twin Peaks House (+ slideshow). More about Twin Peaks House by Apparat-C has a zigzagging roof profile
News: first it was a garden bridge to span London's River Thames, now British designer Thomas Heatherwick is proposing a floating island park for the Hudson River in New York (+ slideshow). More about Thomas Heatherwick to build 0 million "treasure island" on New York's Hudson River
News: Melbourne surfers could ride 1.5-metre-high waves within a heated salt-water pool in plans set out by local firm Damian Rogers Architecture for the city's docklands. More about Melbourne floats proposal for artificial surf park
News: Dutch studios Powerhouse Company and De Zwarte Hond have won a competition to redesign the railway station in Assen, north-east Netherlands, with plans for a structure with a triangular latticed roof. More about Assen Station redesign by Powerhouse Company and De Zwarte Hond to feature triangular roof
Gaps in the upside-down barrel-vaulted ceiling of this Japanese church by Takeshi Hosaka funnel slices of light into the concrete-lined hall (+ slideshow). More about Six inverted arches outline the roof of Shonan Christ Church by Takeshi Hosaka
An arched framework of curving pine ribs gives this chapel in Finland by Sanaksenaho Architects a shape more akin to a boat than a building (+ slideshow). More about Copper-clad chapel in Finland has a curving wooden frame like a ship's hull
This muddy-toned timber house by Graz-based Hammerschmid Pachl Seebacher Architekten is raised on stilts above a sloping site so that it overlooks a swimming pond (+ slideshow). More about Black house by Hammerschmid Pachl Seebacher is raised above a bathing lake
Australian studio Philip Stejskal Architecture has equipped a white timber extension to a 1890s duplex with shutters and sliding panels that camouflage with the walls when closed. More about House by Philip Stejskal can be "locked down" with shutters that blend into the facade
An angular black roof rests on the concrete and brick walls of this pavilion that architecture studio TAKA designed for a cricket club in Dublin (+ slideshow). More about TAKA completes brick and concrete pavilion for a Dublin cricket club
Hundreds of tiny holes puncture the white concrete panels that clad these two extensions to the Badajoz Fine Arts Museum by Spanish firm Estudio Arquitectura Hago (+ slideshow). More about Badajoz Fine Arts Museum extensions feature speckled walls and bevelled edges
News: a team led by Danish architecture firm COBE has seen off competition from three firms to land the commission for a new railway interchange in Køge, a town 28 miles south of Copenhagen. More about COBE team trumps Kengo Kuma in Danish railway station contest
Opinion: an unloved relic of 1950s socialist Yugoslavia is one of the finest buildings of its era. But in modern Serbia, its overtly political message doesn't chime well with the prevailing ideology, says Owen Hatherley. More about "It's no surprise that the government were reluctant to let members of the public in"
News: OMA's New York office has unveiled plans to build three residential towers beside the bay in Miami's Coconut Grove neighbourhood. Practice partner Shohei Shigematsu explains the design to Dezeen in an exclusive interview (+ slideshow). More about OMA reveals trio of "peanut-shaped" towers for Miami's Coconut Grove
News: Bjarke Ingels' firm has unveiled its plans for a "radical reinterpretation" of the Smithsonian Institution campus in Washington DC, creating new entrances and underground extensions (+ slideshow). More about BIG presents More billion plans for Smithsonian campus overhaul
German architecture office Wurm + Wurm has transformed a derelict industrial building into offices, featuring a concrete facade punctuated by rows of hexagonal openings (+ slideshow). More about Hexagonal windows pattern the facade of German office building by Wurm + Wurm