Earth-like planets are celestial bodies that share similar characteristics with Earth, making them potentially suitable for life. These planets typically have a rocky surface, a stable atmosphere, and the right distance from their star to allow for liquid water, which is essential for life as we know it. Scientists search for Earth-like planets in the habitable zone of their stars, where conditions might support life. Many of these planets have been discovered in recent years, particularly through missions like Kepler and TESS, expanding our understanding of the universe and the potential for extraterrestrial life.