Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the heat generated deep within their interiors by tidal forces. Led by David ...

Moons orbiting free-floating planets, planets drifting through space without a parent star, might seem like unlikely candidates for life. However, a new study published in the Monthly Notices of the ...

Moons orbiting rogue planets, worlds flung from their parent star systems into the cold of interstellar space, could maintain liquid water on their surfaces for billions of years if wrapped in a dense ...