The GOP aims to gain a New England foothold as Democrats strive to retain the Senate seat.

The state has not elected a Republican to the Senate since 2010. But Chris Pappas, the likely Democratic nominee, anticipates a tough race against a well-known opponent, John E.…

The Democratic Senate primary in New Hampshire is heating up, with Karishma Manzur gaining momentum while Chris Pappas, the moderate frontrunner, sees his poll numbers plummet.…