Figuring out where and if life happens on a planet is important. First, it needs to be within the circumstellar habitable zone (CHZ) of its star. That's where water can exist on the surface in a ...

We have more than 150 confirmed exoplanets in habitable zones, and as exoplanet science advances, scientists are developing a more detailed understanding of what "habitable zone" means. Scientists ...

Unlike conventional approaches, which emphasise the circumstellar habitable zone (CHZ) based on liquid water, PEP prioritises planets within the CHZ with the greatest potential for sustaining ...