Newsletter (noun)

1. A report of recent events, developments, or information on a particular subject, typically issued regularly by an organization.
2. A document containing information and news about a specific subject or organization, distributed regularly to members or subscribers.

Origin:

Early 20th century: from news + letter.

Examples:

1. The company's newsletter keeps employees informed of recent developments.
2. The school's newsletter informs parents of upcoming events.
3. The association's newsletter reports on the latest research in the field.
4. The newsletter was filled with interesting articles and updates.
5. The newsletter was emailed to all the members of the organization.