Alien Planets Had Habitable Conditions for Billions of Years: Study

In the quest to find habitable exoplanets that can host life like Earth, liquid water has played a key role in indicating the possibility of life. While scientists have looked for water bodies similar to that on Earth, a study suggests that liquid water could exist on the surface of exoplanets for billions of years under other circumstances as well. Researchers from the University of Bern, the University of Zurich, and the National Centre of…