Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.

The loneliest places in the universe might actually be some of the best places for life

Source: space
Source Link: https://www.space.com/astronomy/exoplanets/the-loneliest-places-in-the-universe-might-actually-be-some-of-the-best-places-for-life