Shan Carter

Our calculator takes the most important costs associated with buying or renting and compares the two options.

By Mike Bostock, Shan Carter, Archie Tse and Francesca Paris

In a chase for TV revenue, colleges have undertaken another wave of conference realignment, effectively ending the Pac-12.

By Josh Katz and Kevin Quealy

By Karen Yourish and Larry Buchanan

The Upshot’s Senate election forecast for 2016, updated daily with the latest polls.

By Josh Katz

The Upshot’s presidential forecast, updated daily.

By Josh Katz

How can my team make the N.F.L. playoffs? It’s a simple question, but answering it can be devilishly complicated. This interactive simulator walks you through the scenarios.

NASA’s Messenger spacecraft crashed into Mercury on Thursday.

By Jonathan Corum

The share of the American population that is middle income has been shrinking for several decades. Until fairly recently, that was because more people were entering a higher-income bracket. Now it’s for the opposite reason.

By Alicia Parlapiano, Robert Gebeloff and Shan Carter

Shan Carter, a graphics editor, details how researcher data was used to create a 3-D model of El Capitan for Times readers to view online.

By Shan Carter

A graphic tracks an attempt by Tommy Caldwell and Kevin Jorgeson to free-climb the 3,000-foot Dawn Wall, a vertical sheet of mostly smooth granite that many believe is the hardest climb in the world.

By Shan Carter, Wilson Andrews, Derek Watkins and Joe Ward