A lithograph from Gaston Tissandier’s balloon travels depicts falling stars.
Not so long ago, people had no idea what would happen to them – and what they would see – once they ascended into the clouds.
Valeria, Shahadat and Leonardo – an EU family living in London.
London’s superdiversity offers a safe and welcoming space for European citizens – but Brexit poses a real challenge to it.
Uber's London licence has been a political football for several years, but that's not really the point.
Rue des Tournelles, Paris, November 5, 2019. Four Voi scooters wait hopefully for potential clients, with a Lime and Dott sprawling nearby. Behind them, a Velib’ rider has made his choice.
Leighton Kille/The Conversation France
In major cities around the world, dockless scooters and bikes are everywhere, yet the companies themselves are often breathtakingly short-lived. Basic economic concepts give us clues why.
Fashion has changed a lot more than the tube since 1906.
It's hotter and more crowded on the Underground but some things have got better for commuters.
From happier and healthier residents to more resilient buildings – green roofs offer significant benefits to cities.
Shropshire House, The Conversation’s new headquarters in the UK.
The Workplace Company
A new home for The Conversation.
Severe air pollution can speed up neurodegeneration when the brain is at the peak of its development — during childhood. Pictured here, a child in Beijing.
Investigation of the brains of children and young adults who died suddenly in Mexico City revealed amyloid plaques similar to those found in the brains of people with Alzheimer's disease.
Ho Chi Minh City, Vietnam, is one of many emerging global metropolises that are struggling to protect residents against tobacco.
Rapidly growing metropolises like Beijing, Jakarta and Ho Chi Minh City are struggling to protect residents against tobacco. Life-saving policies in rich countries may be partially to blame.
Grinding for Nottingham.
It was once seen as a public menace – now, skateboarding is a global sport that empowers young people to improve their cities.
W.T. Stead’s series of articles detailing a sordid sex ring rocked London.
W.T. Stead Resource Site
W.T. Stead's 1885 account of the process by which wealthy Londoners procured teenagers for sex became a global news story, but the police refused to investigate.
CharlotteRaboff / shutterstock
Cities make their own climate, so such like-for-like comparisons are too simplistic.
London - June 19 2018: Volunteers cleaning the southern shores of the Thames from waste during low tide.
It's not just the ocean we need to worry about – plastic is accumulating in the world's rivers, too.
Camera never lies.
If you thought police surveillance was mere CCTV, it's time to catch up on what's happening on the other side of the lens.
Turning a corner.
Academic experts on how the humble car could evolve to become an unlikely hero in the global fight against climate change.
Gone in a flash.
Driverless cars will form a fast, efficient transport network, which will make car ownership redundant. But they could also spell the end of public transport.
Having fun yet?
Despite efforts to encourage a shift to sustainable transportation, traffic congestion is often the focus of debates over mobility. Motorists endlessly demand more roads, but is this really a solution?
Whether it's through begging or building shelters, homeless people are trying to make their lives better.
The doner kebab, a typical “German” meal?
Jason M Ramos
While thought of as an unpretentious fast-food dish, the doner kebab is a symbol of the social, political and identity issues facing European society today.
There is a growing sense that the British authorities would rather forget their weapons testing history.