Scrum is an agile project management framework that focuses on iterative development, self-organizing teams, and frequent inspection points. The key aspects of Scrum include roles like the product owner, Scrum master, and self-organizing development team. Events in Scrum include sprint planning meetings, daily stand-ups, sprint reviews, and retrospectives. Artifacts include the product backlog, sprint backlog, and definition of done. Scrum aims to deliver working software frequently through short iterations called sprints.