The n-queens problem had stumped mathematicians for more than a century.

Catherine Papapaelos said she called 311 to get the tree removed for years, but the city told her it was in "perfect" shape.

NEW YORK (PIX11) – A massive tree in Queens crashed onto multiple cars on Saturday afternoon, according to the NYPD. Police received a call for a reported tree down at 39-63 57th Street in the ...

The n-queens problem is about finding how many different ways queens can be placed on a chessboard so that none attack each other.

NEW YORK (CBSNewYork)-- Saturday's heavy rain and wind are being blamed for toppling a large tree in Queens. The tree's trunk snapped, damaging two cars on 84th Drive in the Briarwood section. One ...