Massive Open Online Courses, or MOOCs, are online courses that cater to a huge population. MOOCs have been around for quite some time; however, they have begun to gain importance only in recent years. With technology-infused classroom instructions on the rise, techno-savvy students with little patience for hour-long (or even longer) lectures and the necessity to earn has led to the popularity of online courses among the student population. The obvious benefits of taking up online courses include, among others, self-paced learning, learning while earning, and learning from absolutely anywhere. An upcoming form of online learning is the massive open online courses (MOOCs). This paper discusses the concept of MOOCs, their history, and their need in the present scenario. This paper also focuses on the benefits and the possible challenges that MOOCs face.