Here's what to know about income tax ahead of tax season, including what it is, how it works, how to calculate it and which states don't have it.

The Dec. 31, 2025, expiration of many provisions of the 2017 Tax Cuts and Jobs Act (TCJA) adds a new task to the 2025 congressional to-do list: updating the tax code. Many TCJA provisions provided ...

This year, 39 states had notable tax changes, with some that began on Jan. 1, and others set to take effect on July 1. Nine of these states cut their individual income tax rates for 2025. The most ...