Democrats are competitive in Alaska, Iowa, Ohio, Texas and even Kansas as they try to wrest control of the Senate from Republicans. Here’s a look at why.

In a new ad, the wife of Ken Paxton, who is divorcing him for alleged adultery, tells Texas voters to focus on the “whole team,” not “individual players.”

© Desiree Rios for The New York Times

After a dry spell of more than three decades, Democrats are daring (yet again) to believe they can win one or more top-of-the-ballot races in a vast and stubbornly red state.

© Desiree Rios for The New York Times

Democrats are performing strongly in five reliably Republican states where they are trying to flip Senate seats to win control of the chamber, new New York Times/Siena polls found.

© Jillian Vordick/The New York Times