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Are there planets like Earth elsewhere in the universe?

Are we alone? Are there other planets like ours? Does life exist elsewhere in the universe?

Every new discovery of a planet beyond our solar system helps us refine our notion of the cosmos and understand humankind’s place within it. JPL is at the forefront of efforts to discover Earth-like planets, enabled by our work in developing the technologies and next- generation telescopes to detect and characterize habitable planets, measure their atmospheres, and find the chemical signposts of life.