If Democrats can win control of either the House or the Senate, they will have seized some control of Washington back from President Donald Trump and Republicans.

A prediction-market model built by a Northwestern data scientist shows Democrats favored to flip the Senate, but GOP odds have ticked up in Texas, Maine, and Michigan.

Americans overall see the Democrats as having a better chance to win a House majority than take control of the Senate.

Seven toss-up Senate races could decide control of the chamber, and Democrats currently hold narrow polling leads in all of them.

Add Yahoo as a preferred source to see more of our stories on Google. Senate ETK lead (Photo illustration: Nathalie Cruz/Yahoo News; photos: Getty Images) Control of both chambers of Congress is up for grabs in November's election. But as important as the ...

Democrats are favored to take the House, but eight tight Senate races could decide control of Congress in the November midterms.

Expectations are cresting for Democrats, and some kind of wave seems likely, but so much will depend on a few close Senate races.

If there is going to be a blue wave, as polling suggests, Latinos are going to be essential. Carlos Eduardo Espina, a news commentator, and Stephanie Valencia, a pollster, tell Kai Wright there are signs that the economy,