The Star Trek hypothesis

One common complaint about science fiction involving aliens, especially a large and diverse cast of different alien races, is that the aliens just aren’t alien enough. It seems like every week, the crew of the USS Whatever is encountering some exotic, never-before-seen species of humans with foldy cheeks, or humans with bumpy foreheads, or humans […]

Habitable alien planets may be less common than believed

If there’s one modern astronomical concept that has successfully permeated the mainstream media, it’s the “Goldilocks zone.” Not only is it associated with the search for alien life, one of the more popular topics in science, it’s also broadly evocative and easy to understand. To host life, a planet can’t be too hot or too […]