The New York-Newark-Jersey City region has topped a ranking of the dirtiest major metropolitan areas in the United States, according to a new study. The study, conducted by Oxi Fresh, the carpet ...

Researchers used satellites to measure how the elevation has been changing in America ... cities, two-thirds or more of the area is subsiding, with rates up to 0.4 inches each year. (In the maps ...

The researchers note that these cities have seen more than 90 major floods within the last 25 ... Ohenhen and his colleagues used satellite data to map sinking down to the millimeter in all ...

Davis was the first city in America to install bike lanes in existing roads, but air slowly leaks from the California city's ...

We also highlight an analysis of whether flying has become less safe, an investigation into a Philippine reforestation ...

After peaceful attempts at alliance-building stalled, the Continental Army launched an ill-fated invasion of Quebec in June 1775 ...

The largest city, Anchorage, and the capital, Juneau, continue to limit capacity. Now open: Elective surgeries, casinos, major league sports ... The Mall of America postponed its scheduled ...

Historian Asad Dandia, a city character in his own right, is showing the history of Muslims in New York while also trying to ...

New York, San Francisco and Los Angeles top a list of the 10 wealthiest cities in the U.S., but Texas dominates with three entries.

In every city studied, at least 20% of the urban area is sinking – and in 25 of 28 cities, at least 65% is sinking. The nation's biggest cities are sinking, according to data from a new study.