Portland-based firm William Kaven Architecture has put forward a scheme to redevelop the soon-to-be demolished US postal building in the Oregon city, including a pair of towers built alongside a high-speed rail system. More about William Kaven proposes Portland's tallest skyscrapers at US Postal Office site
Architects and preservationists including Robert AM Stern were among those protesting Snøhetta's plans for Philip Johnson's postmodern AT&T Building in New York today. More about Architects protest AT&T Building plans with "Hands off my Johnson" placards
New York firm Morris Adjmi Architects has designed a residential tower for the city's NoMad district, with a window pattern that becomes more decorative towards its top. More about Morris Adjmi designs skyscraper with lancet windows for New York City
Several campaigns and protests have been organised to prevent Snøhetta's overhaul of Philip Johnson's postmodern AT&T Building in New York, which has been described as "vandalism" by Guardian critic Oliver Wainwright. More about Snøhetta proposal for Philip Johnson's AT&T Building triggers outcry
Architecture firm Snøhetta has revealed plans to overhaul the New York skyscraper formerly known as the AT&T Building – an icon of postmodernism designed by Philip Johnson and John Burgee. More about Snøhetta reimagines Philip Johnson's postmodern New York skyscraper
The tallest building designed by a Russian architecture firm for the US, which will hold apartments like "shelves in the air", has gained planning approval. More about Meganom gains permission for skinny supertall skyscraper in Manhattan
A host of art deco-influenced details are found in the design of this condominium building under construction in New York's Carnegie Hill, including patterned grey brickwork, vaulted balconies and brass frames. More about Grey brickwork to clad Upper East Side residential tower by DDG
Architecture firm Kohn Pedersen Fox has released renderings of a 68-storey skyscraper proposed for Downtown Brooklyn, as the New York borough's skyline continues to grow. More about KPF reveals plans for Brooklyn's second tallest building
The next piece in the redevelopment of the World Trade Center site in Lower Manhattan, a skyscraper by Rogers Stirk Harbour + Partners, looks almost complete in photos shared on Instagram. More about Richard Rogers' Three World Trade Center nears completion in New York
The supertall tower that Zaha Hadid Architects designed for a New York site owned by the Kushner family has been rejected by the project's partner Vornado. More about Zaha Hadid Architects' 666 Fifth Avenue skyscraper unlikely to go ahead
A filigree-patterned supertall tower under construction in Downtown Manhattan is set become the area's second tallest skyscraper behind One World Trade Center. More about CetraRuddy's 45 Broad Street to become Lower Manhattan's tallest residential skyscraper
New details and interior renderings of Uruguayan architect Rafael Viñoly's latest residential skyscraper for New York City have been released. More about Rafael Viñoly's 125 Greenwich Street skyscraper to rise in Downtown Manhattan
Fifteen alternative visions for the famous 1920s Tribune Tower competition are presented as giant models at the Chicago Architecture Biennial. More about Architects reimagine Chicago's Tribune Tower with abstract skyscraper models
New York studio DFA has envisioned a prefabricated timber tower for New York's Central Park that would both filter a contaminated reservoir and provide views over the city. More about DFA proposes tallest timber observation tower to clean Central Park reservoir
Construction photos, released along with new renderings, show that French architect Jean Nouvel's supertall skinny skyscraper in Manhattan has reached the 58th floor. More about Jean Nouvel's 53W53 "MoMA tower" progress shown in photographs
Chicago – the birthplace of the skyscraper – is hosting its second architecture biennial this month. Here's a look at five of the tallest towers either approved or underway in the city. More about Five skyscrapers set to transform Chicago's skyline
This new set of images provides a closer look at the trio of towers designed by architecture firm OMA for Miami's Coconut Grove. More about OMA's Park Grove towers in Miami shown in new renderings
Danish firm Schmidt Hammer Lassen has released visuals of its first US project: a mixed-use development in Detroit, Michigan, bound by two glazed towers overlooking the city's historic theatre district. More about Schmidt Hammer Lassen reveals plans for Monroe Blocks development in downtown Detroit
New details about the future tallest residential building on Earth have been released, along with an updated rendering showing the supertall skyscraper towering over New York City. More about Central Park Tower to become world's tallest residential skyscraper
New renderings have been released of American-German architect Helmut Jahn's tower for Chicago's South Loop, as preparations for construction begin and sales of its luxury condominiums get ready to open. More about Helmut Jahn's 1000M skyscraper poised to rise in Chicago