A refrigerator comprising: a main body having a storage compartment; and an ice maker provided in the storage compartment configured to make ice, wherein the ice maker comprises: a cooling device configured to provide cold air, wherein the ice maker further comprises an ice-making tray movably arranged between a first position adjacent to the cooling device and a second position spaced farther from the cooling device than the first position, and an ejector configured to move the ice-making tray to the first position when the ejector is rotated at a first angle and to the second position when the ejector is rotated at a second angle, and wherein the ejector comprises a driving portion configured to separate the ice produced in the ice-making tray, wherein the ice-making tray is configured to move to the first position in which the ice maker is operated in a first ice-making mode when it is desired to rapidly form ice, and move to the second position in which the ice maker is operated in a second ice-making mode in which an ice-making speed is slower than that of the first ice-making mode when it is desired to make transparent ice, wherein the ice maker comprises a supporter for supporting the ice-making tray, the supporter including a first supporter for supporting a lower portion of the ice-making tray, wherein a cooling device fixing portion for accommodating the cooling device is formed on a lower portion of the first supporter, the first supporter contacting the cooling device to receive cooling energy from the cooling device in a heat conduction manner, the ice-making tray is movable relative to the first supporter, the ice-making tray and the first supporter are in contact with each other when the ice-making tray is in the first position, and a distance (d) between the ice-making tray and the first supporter is set when the ice-making tray is in the second position. a main body having a storage compartment; and an ice maker provided in the storage compartment configured to make ice, wherein the ice maker comprises: a cooling device configured to provide cold air, wherein the ice maker further comprises an ice-making tray movably arranged between a first position adjacent to the cooling device and a second position spaced farther from the cooling device than the first position, and an ejector configured to move the ice-making tray to the first position when the ejector is rotated at a first angle and to the second position when the ejector is rotated at a second angle, and a cooling device configured to provide cold air, wherein the ice maker further comprises an ice-making tray movably arranged between a first position adjacent to the cooling device and a second position spaced farther from the cooling device than the first position, and an ejector configured to move the ice-making tray to the first position when the ejector is rotated at a first angle and to the second position when the ejector is rotated at a second angle, and wherein the ejector comprises a driving portion configured to separate the ice produced in the ice-making tray, wherein the ice-making tray is configured to move to the first position in which the ice maker is operated in a first ice-making mode when it is desired to rapidly form ice, and move to the second position in which the ice maker is operated in a second ice-making mode in which an ice-making speed is slower than that of the first ice-making mode when it is desired to make transparent ice, wherein the ice maker comprises a supporter for supporting the ice-making tray, the supporter including a first supporter for supporting a lower portion of the ice-making tray, wherein a cooling device fixing portion for accommodating the cooling device is formed on a lower portion of the first supporter, the first supporter contacting the cooling device to receive cooling energy from the cooling device in a heat conduction manner, the ice-making tray is movable relative to the first supporter, the ice-making tray and the first supporter are in contact with each other when the ice-making tray is in the first position, and a distance (d) between the ice-making tray and the first supporter is set when the ice-making tray is in the second position.