The term ‘Goldilocks Zone’ is often seen in the news in the context of

The Goldilocks Zone, also called the habitable zone, refers to the region around a star where conditions might be just right for liquid water to exist on the surface of a planet.


Scientists believe liquid water is essential for life as we know it. So, when astronomers discover planets outside our solar system (exoplanets), they're particularly interested in those within the Goldilocks Zone of their host star.