The evolution of 21st century has witnessed the revolutionary developments in the engineering materials. The innovations of advanced materials have been the mainstay of industrial exploitations. Foamed metals innovations are no doubt momentous wings of these exploitations. Hence the topic of relevance in this case will be the investigations of these metal foams. In this investigation, various experimentations regarding the properties of metal foams and their findings are studied. Various inferences are stated from the findings. Challenges among the processing methodolgies of metal foams and their solutions are also discussed.