Icy moons circling the outer planets may be far more dynamic—and explosive—than they appear. New research suggests that when ...

About 15% of asteroids near Earth have small moons orbiting them, making binary asteroid systems common in our cosmic ...

Mars' moons are easily visible at night from the surface of the Red Planet. Phobos – the nearer, larger, and brighter of the two – would be obviously non-round. A sharp-eyed observer would be able to ...

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

A new study from the University of Florida analyzing moon rock samples from a Chinese lunar exploration mission is rewriting our understanding of how the moon is cooled. Subscribe to our newsletter ...

Tiny iron oxide grains found in lunar soil samples brought by the Chinese Chang’e-6 mission upend what was known about the Moon’s surface and magnetic properties, scientists revealed in a new study.

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 ...

Saturn's moon Mimas, just 250 miles wide, could have a liquid water ocean under its outer icy shell, according to new research led by Max Rudolph at UC Davis. If such moons are the right size, water ...

Discover the 2026 new moon dates, lunar phases, and monthly timing. Learn about black moons, Earthshine, and skywatching conditions.