What it actually is

The Senate is one of the two chambers of the United States Congress. Every state—large or small—has two senators, so states are equally represented in this chamber.

Senators serve six-year terms. The Senate’s role and some of its powers are written in the Constitution; it was designed to be a steadier, more deliberative body than the House of Representatives.

How it works

Senators’ six-year terms are staggered so roughly one-third of the seats are up for election every two years. That produces continuity: most of the Senate stays in place even when voters change the balance in the House.

The Senate makes laws together with the House, but it has special powers: it holds the trial after the House impeaches an official, it gives advice and consent on many presidential appointments (like cabinet members and federal judges), and it ratifies treaties. The Vice President of the United States is the Senate’s formal presiding officer and can cast a tie-breaking vote; the Senate’s daily business is organized by its leadership and rules.

Senate rules allow extended debate, which can slow or block action. Ending extended debate usually requires a supermajority vote to invoke cloture—commonly 60 votes when the Senate is full—though exact procedures and exceptions (including rules for many nominations) have changed over time.

A real example

When a president nominates someone for a federal judgeship or a cabinet post, the Senate typically holds hearings and then votes to approve or reject that nomination. That confirmation power directly shapes the federal courts and executive branch.

If the House impeaches a federal official, the Senate holds a trial and then votes on whether to convict. Conviction in the Senate removes the official from office; conviction requires a two-thirds vote of the senators present.

Why it matters to you

Senators vote on laws, confirm judges, and shape federal agencies—decisions that affect taxes, health care, safety rules, and more in everyday life. Who represents your state in the Senate influences how those issues are decided.

Because each state has two senators regardless of population, the Senate’s structure can produce different policy outcomes than the House, where seats are based on population.

Common misunderstandings

The Senate is not the same as the House: the House represents people by population and serves shorter terms; the Senate represents states equally and has longer terms. Both chambers must generally pass the same bill for it to become law.

The filibuster and other debate tools are Senate rules, not text in the Constitution; they have evolved over time. Also, while the Constitution originally had state legislatures choose senators, the 17th Amendment (ratified in 1913) established direct election of senators by voters.