When it was first discovered in 2007, Gliese 581d was thought to be just outside its star's habitable zone, but later, scientists discovered that Gliese 581d is just close in enough to potentially ...

The concept of habitable zones around black holes seems paradoxical, given the extreme conditions that define these cosmic entities. However, recent theoretical studies suggest otherwise, introducing ...

Exoplanet science is shifting from finding any detectable exoplanets we can to searching for those in their stars' habitable zones. NASA's proposed Habitable World Observatory and other similar ...