Exomoons orbiting rogue planets could host liquid water for billions of years, offering potential habitats for life deep in interstellar space.

Rogue moons drifting through space may host long-lived oceans for up to 4.3 billion years, expanding where scientists search ...

There is a category of planet that belongs to no star. It was thrown clear of its solar system early in the chaos of ...

New research shows that some frozen moons may hide boiling oceans beneath their icy shells, shaping strange surface features.

American astronauts who return to the moon’s surface in the years ahead for the first time in more than half a century will have the difficult and unprecedented task of setting the stage for a ...

Small, icy moons might be boiling under their surface. Many moons in the outer solar system are thought to harbor subsurface oceans beneath their icy crusts. New computer simulations, reported ...

NASA’s Lunar Reconnaissance Orbiter (LRO) has captured an extraordinary image of the Moon’s surface. The photo, taken on ...