The James Webb Telescope mission, the successor to the Hubble Telescope, was designed to enable astronomers to explore the universe with unmatched resolution and sensitivity. One of the main focuses of this mission is to search for new planets in our galaxy, especially exoplanets orbiting Sun-like stars. With cutting-edge technology, JWST has the ability to identify the atmospheres of these planets and detect signs of life. To find exoplanets, JWST utilizes two main methods: transit and microwaves. The transit method involves observing the dip in a star’s light when a planet passes in front of the star. Small changes in light can provide information about a planet’s size, orbit, and even the composition of its atmosphere. On the other hand, microwaves utilize exposure to radiation signals from planets that can indicate the presence of certain molecules, providing clues about the composition of the atmosphere. One of JWST’s important missions is to observe exoplanets in the habitable zone, a region where conditions might support liquid water. JWST is equipped with NIRCam and NIRSpec instruments, which enable observations at infrared wavelengths, making it easy to find signs of biological molecules such as water, methane and carbon dioxide. With this capability, JWST is expected to explore planets that were previously difficult to reach with older telescopes. Apart from that, JWST also focuses attention on protostars that have the potential to have planetary systems. By studying molecular clouds and protoplanetary disks, astronomers can understand how planets form. Data collected from this process will help complete the picture of the origins of our own solar system. The success of this mission relies heavily on international collaboration. Many scientists around the world contribute to the research and development of the technologies that support JWST. The discovery of exoplanets is expected to lead to deeper questions about the possibility of life beyond Earth. Research conducted by JWST will improve our understanding of the variations and characteristics of exoplanets, which could ultimately help determine the likely placement of life. By continuing to capture data and release detailed results, JWST will become a leading resource in astrobiology and space exploration in the years to come. When we observe our galaxy with the help of JWST, astronomers hope to answer some of the most fundamental questions about life beyond Earth. With advanced spectroscopy, humanity is on the verge of monumental discoveries regarding new planets that may hold the key to our future beyond Earth. This research will go into depth about the existence and nature of planets, as well as their potential to support life.