The foundations of a stalled 838-metre-high skyscraper in Changsha, China, are now being used as a fish farm, according to local reports. More about Foundations for planned "world's tallest building" in China repurposed as fish farm
Graduate shows 2015: human statues support the floors of these conceptual towers by graduate Alice Theodorou – part of a 10,000-year masterplan that anticipates nuclear war and city-wide flooding (+ slideshow). More about Humanoid columns support conceptual skyscrapers designed to never go out of style
Australian firm Elenberg Fraser has won planning approval for a 226-metre-high Melbourne skyscraper that will feature a curvaceous form taken from a music video by Beyoncé (+ slideshow). More about Beyoncé-inspired skyscraper to be built in Melbourne
These official images show 22 Bishopsgate: the skyscraper planned to replace London's part-built Pinnacle and become the tallest building in city’s central financial district. More about London's huge 22 Bishopsgate skyscraper revealed by developers
Paris is to get its first skyscraper for over 40 years after Herzog & de Meuron won planning permission for its 180-metre-high Tour Triangle. More about Paris to get first skyscraper since the 70s as Herzog & de Meuron's triangle tower approved
Bjarke Ingels' firm has won a competition to design a 185-metre-high skyscraper in Frankfurt, with a proposal it describes as both classical and sculptural (+ slideshow). More about BIG's experiments in skyscraper design continue with Frankfurt win
Designer Dror Benshetrit has unveiled three proposals for residential towers on different sites in New York. More about Studio Dror's conceptual tower designs for New York offer three takes on high-rise architecture
Opinion: a reactionary government policy from 1899 has turned Washington DC into a city of low buildings, expensive floor space and rampant inequality. A few skyscrapers could change all that, says Matthew Yglesias, executive editor of Vox. More about "Washington DC's aversion to skyscrapers has turned it into an American Versailles"
After the Walkie Talkie, here is a trio of Trimphones: New York-based architect Daniel Libeskind has unveiled designs for three towers to be built near the new AS Roma football stadium, with the tallest reaching 220 metres in height (+ slideshow). More about Daniel Libeskind plans three angular skyscrapers for Rome
Zaha Hadid has designed her second set of skyscrapers for Australia – a pair of sinuous towers that will be constructed beside the harbour in Gold Coast, Queensland. More about Zaha Hadid proposes a pair of tapered towers for Australia's Gold Coast
Construction work has begun on Foster + Partners' delayed New York tower at 425 Park Avenue (+ slideshow). More about Foster + Partners' New York skyscraper will be first new office tower on Park Avenue in 50 years
Architect Ole Scheeren has unveiled his first solo project outside of Asia – a Vancouver skyscraper that will feature a series of offset apartments protruding from the facade in a cluster of irregularly stacked glass boxes (+ slideshow). More about Ole Scheeren's Vancouver skyscraper will offer a "new typology for vertical living"
BIG has unveiled designs for Two World Trade Center, confirming that the skyscraper's original architect, Foster + Partners, has been ousted (+ slideshow). More about BIG unveils replacement for Foster's Two World Trade Center design
New images show details of the design for the 53W53 residential tower by French architect Jean Nouvel, which will occupy a site adjacent to the Museum of Modern Art on New York's 53rd Street. More about Jean Nouvel's first New York skyscraper will include three floors of MoMA gallery space
American architecture firm SOM has completed work on a controversial 50-storey hotel and condominium tower on a site directly opposite New York's Museum of Modern Art. More about SOM's Baccarat tower in New York overlooks MoMA's sculpture garden
A team of Dutch companies has unveiled a proposal for a huge circular wind turbine that doubles as an apartment block and hotel, and also includes a rollercoaster. More about Designs unveiled for giant Rotterdam wind turbine you could live inside
Architecture firm Studio Gang has unveiled its latest design for a 348-metre-high Chicago skyscraper made up of three towers with zigzagging profiles. More about Studio Gang's riverside skyscraper could be Chicago's third tallest tower
A vision for a skyscraper containing swamps, mountains, glaciers and a jungle has been named the winner in a competition to come up with futuristic ideas for high-rise living. More about Conceptual high-rise containing 11 landscapes wins eVolo Skyscraper Competition
The American architecture studio led by Pritzker Prize-winner Thom Mayne has unveiled its design for a 381-metre-tall mirrored hotel tower in Vals, Switzerland. More about Morphosis unveils plans for "Minimalist" skyscraper next to Zumthor's Therme Vals
A concept for "shadowless" skyscrapers that redirect sunlight to public spaces could work for tall buildings anywhere in the world, say the London designers behind the proposal. More about Shadow-free skyscrapers would redirect the sun's rays to public plazas