Two "sister skyscrapers" designed by architect David Childs have been unveiled for Chicago's waterfront, nearly 10 years after work on Santiago Calatrava's ill-fated Chicago Spire halted on the same plot. More
Images of a mixed-use development for Miami by Uruguayan architect Rafael Viñoly show a pair of perpendicular towers connected at the top by a wedge-shaped sky bridge. More
A skyscraper by architecture firm Adrian Smith + Gordon Gill is set to rise next to Chicago's historic Tribune Tower and become the second-tallest building in the city. More
BIG has released new renderings of the pair of towers it is building beside New York's High Line, which architect Bjarke Ingels says are shaped out of "mutual courtesy" for one another's views. More
American firm Studio Gang has unveiled plans for a tower in Los Angeles with a curvy exterior evocative of a rolling wave. More
US firm Studio Gang has revealed a 51-storey residential tower in Brooklyn, featuring scooped concrete windows and a curved elevated park. More
Swiss firm Herzog & de Meuron has completed a residential tower north of Miami Beach, featuring terraces formed by extended concrete floor slabs. More
Danish firm BIG has unveiled a new rendering of its pair of rotated towers that are currently under construction in New York's Chelsea neighbourhood. More
Design studio RB Systems is following the trend for super-slender towers in New York with a speculative proposal for a 400-metre skyscraper in Midtown Manhattan, which would be supported by spiralling steel cables rather than columns. More
A 1960s Midtown Manhattan skyscraper by architecture firm SOM will become the largest building ever to be deliberately destroyed, when it is knocked down in favour of a new tower that will soar 150 metres taller. More
A skyscraper in Hawaii has become the latest to feature a vertigo-inducing swimming pool, allowing brave swimmers to look down through its transparent base. More
More images have been released to show the luxury amenities that will available to residents of Zaha Hadid's One Thousand Museum tower in Miami, which has reached its full height. More
Foster + Partners has designed 15 loft-style apartments suited to displaying expansive art collections inside its luxury residential tower, which is nearing completion in Midtown Manhattan. More
New York architecture studio DFA has imagined a series of latticed apartment towers for Manhattan's Pier 40, which would be able to remain above water in the event of rising sea levels. More
New York studio GRT Architects has uncovered and repaired the decorative facade of a tower in the city's Garment District, during the renovation of its entrance inside and out. More
Kohn Pedersen Fox's 68-storey skyscraper in Downtown Brooklyn will include the "highest residential infinity pool in the western hemisphere" on its roof. More
San Francisco's tallest skyscraper, designed by US firm Pelli Clarke Pelli Architects, has completed as part of a major development in the city's Downtown area. More
As demolition work begins on the lobby of Philip Johnson's AT&T Building, now known as 550 Madison, Municipal Art Society of New York chair Christy MacLear emphasises the building's architectural significance and warns of the limitations of the city's current preservation process. More
An electrical fire has caused smoke to billow from the roof of Donald Trump's skyscraper on Manhattan's Fifth Avenue and has injured three people. More
In this video interview, architect Renzo Piano discusses designing his glass skyscraper for The New York Times in the wake of the 9/11 terrorist attacks. More