The galaxy’s most common stars may be missing a key ingredient for life: Long-lived moons. Most stars in our galaxy are small, cool M-dwarfs—the kind astronomers often look to when searching for ...

The search for alien life has moved from planets to moons. This video dives into the hidden, globe-spanning oceans beneath ...

Electrons released when cosmic rays strike water-ice can provide energy for microbes and facilitate the formation of complex organic molecules.