NCAA Basketball is a collegiate basketball competition in the United States, governed by the National Collegiate Athletic Association. It features teams from various colleges and universities, competing in different divisions based on their size and resources. The season typically runs from November to March, culminating in the popular NCAA Tournament, also known as "March Madness." The tournament includes 68 teams and is known for its single-elimination format, where teams must win to advance. This event garners significant attention from fans and media, showcasing emerging talent and often leading to surprising upsets, making it a highlight of the sports calendar.