In a new ranking of nations' high-speed train networks, the U.S. comes in below even Turkey and Uzbekistan.
Young urbanites often leave cities after they have kids, but many would prefer to stay if cities offered what they need.
The little bike share that can't. At least not yet.
Early-career journalists, listen up: It's now time to apply for the Grist fellowship.
Equipped with air quality sensors and GPS trackers, the birds are tweeting about the city's dirty air.
Houston is home to the nation's largest refining and petrochemical complex, where billions of gallons of oil and dangerous chemicals are stored.
A new study examined how tweets can help measure the impact of natural disasters.
Too often, your access to fresh air depends on your skin color.
This is the first time Google took the blame for a crash.