While the hold of Trump and GOP leaders on Republican rank-and-file remains strong, it's slipping in notable ways.

President Trump’s slumping job approval numbers and the public controversies swirling around his second term in office are ...

ANALYSIS: Republicans are being forced to spend time and resources putting out fires that Donald Trump keeps setting, writes ...

Republicans are increasingly concerned about maintaining Senate control in the upcoming midterm election, expressing ...

President Donald Trump's immigration crackdown is fast becoming a double-edged campaign issue in November's hotly contested ...

With a series of candidate recruiting successes, Democrats have established a plausible, if still difficult, path to ...

The upbeat take on the November Senate elections flies against past results in some states and skepticism from some ...

Republicans are still clear favorites to retain control of the chamber in the midterms. But Democrats say they are more ...

WASHINGTON (AP) — Hopes fading for Senate control, Democrats had a disappointing election night as Republicans swatted down an onslaught of challengers and fought to retain their fragile majority.

The White House's efforts to quell Senate Republican opposition to its actions in Venezuela came to a head with a maneuver to ...

Republicans currently hold 53 Senate seats, while the Democratic caucus has 47 members, including two independents. With Vice ...

Senate Republicans are vowing to block any effort by President Trump to seize Greenland by military force, as Trump officials ...