This detention centre for minors in Marseille offers an alternative to oppressive prison architecture through its muted material palette of natural stone and board-marked concrete. More about Combas uses natural stone to build "warm and robust" juvenile detention facility in Marseille
Macdonald Wright Architects has added a barn clad in black-stained boards to Caring Wood – a Kent country villa that is vying to be named the UK's House of the Year. More about Black-stained barn built by Macdonald Wright Architects at Caring Wood country house
The creators of adult game Cards Against Humanity have purchased a vacant plot along America's southern border, in the hopes of preventing the controversial wall the country's president Donald Trump is planning to build. More about Cards Against Humanity buys land on US-Mexico border to fight Trump's wall
New York City must provide better protection for cyclists and pedestrians in areas close to busy roads, says a local transportation think tank, following Tuesday's terrorist attack that killed eight. More about Manhattan vehicle attack prompts call for better protection for cyclists and pedestrians
The first 3D-printed concrete bridge has been completed in the Netherlands as a crossing for cyclists, but construction company BAM Infra claims it could take the weight of 40 lorries. More about "World's first" 3D-printed concrete bridge opens in the Netherlands
Robots may outnumber humans in a new pioneering city billed by Saudi Arabia as "a new blueprint for sustainable life", which would be entirely powered by renewable energy, and served by driverless vehicles and vertical farms. More about Saudi Arabia to invest 0 billion in fully automated city spanning three countries
Portions of eight proposed designs for the wall that President Donald Trump wants to construct along the US-Mexico border are to be tested over the coming months. More about Trump wall prototypes pop up near US-Mexico border
Architecture firm JAA has developed a proposal that would see a celebrated brutalist-era car park in London preserved – rather than demolished to build a new hotel. More about London's Welbeck Street car park could be saved with alternative design by JAA
Google's parent company Alphabet has revealed plans to build a new district along the eastern waterfront of Toronto, which will use cutting-edge technology to pioneer a model for future urban developments. More about Alphabet's Sidewalk Labs to create high-tech "future city" on Toronto waterfront
Bright LEDs flash warning signals to smartphone users who veer onto this interactive road surface, which is designed to disappear during the dead of night and reappear only when needed. More about Umbrellium develops interactive road crossing that only appears when needed
"Shared space" streets have been called into question after a taxi ploughed into museum-goers on Exhibition Road, a broad boulevard shared by pedestrians and vehicles in London's South Kensington. More about Exhibition Road accident shows it's "time to review shared space" says Labour MP Emma Dent Coad
American architect Richard Meier has completed an arching single-span bridge across a river in the Italian city of Alessandria, which provides lanes for traffic and pedestrians separated by a central void. More about Richard Meier's Cittadella Bridge separates traffic and pedestrians as they cross an Italian river
Nordic Office of Architecture and Haptic have won the competition to redesign the Norwegian government headquarters after it was damaged during a fatal terrorist attack six years ago. More about Winning design chosen for Norwegian government headquarters following 2011 terrorist attack
Danish architect Bjarke Ingels has revealed designs for the Mars Science City, which will operate as a space simulation campus near Dubai where scientists will work on "humanity's march into space". More about Bjarke Ingels proposes Mars simulation city for Dubai in race for space colonisation
The 130-tonne "fatburg" discovered below the streets of east London earlier this month serves as a reminder of how sophisticated Victorian engineering has liberated people from having to think about waste, says Will Wiles. More about "Let's save some of the Whitechapel Fatberg"
Former London mayor Boris Johnson had secret talks with Apple over a 'mad' mid-bridge store during a 24-hour visit to the tech company's San Fransisco headquarters to secure funding for the Thomas Heatherwick-designed Garden Bridge. More about Apple store was proposed for Garden Bridge in return for sponsorship
Disasters like Hurricanes Harvey and Irma are inevitable when we construct cities in harm's way, says Aaron Betsky, who believes we have designed ourselves into a Catch-22 of create and protect. More about "The more we build in areas that endanger us, the more we erect defensive systems"
A team led by Fernando Romero's Mexican studio FR-EE has won a competition to design a Hyperloop high-speed transport line, which will link urban areas from Mexico City to Guadalajara. More about FR-EE plans Hyperloop corridor to create Mexican "megalopolis"
Dutch studio Kaan Architecten has been selected to design a new terminal for Amsterdam's Schiphol Airport, beating competitors including MVRDV, SOM, OMA and UNStudio. More about Kaan Architecten unveils new glazed terminal for Amsterdam's Schiphol Airport
Stefano Boeri's proposal to use trees and planters to protect against terror attacks instead of "ugly" military-style barriers is to be implemented in Florence, mayor Dario Nardella has announced. More about Florence to adopt Stefano Boeri's "anti-terror" planters proposal