AI-assisted summary
The federal government has shut down after Congress failed to reach a budget agreement.
Essential federal workers will work without pay, while nonessential workers are furloughed.
Social Security, Medicare, and mail delivery will continue, but some services like national parks and the IRS will be impacted.
The federal government shut down at midnight .
Democrats and Republicans in Congress had until midnight on Sept. 30 to strike a compromise to avert the closing of everything but essential government services.
Here's everything to know about what could happen:
What happens in a government shutdown?
Federal government agencies and programs rely on annual funding appropriations passed by Congress . A government shutdown occurs when non-essential discre