Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, belongs to the group known as super-Earths. It is located in a star system less than 20 light-years away,

It is located in a star system less than 20 light-years away, making it one of the closest candidates for further research.

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found in the Milky Way since the first confirmed discovery in the 1990s, and "billions more remain to be discovered", said Tech Explorist.