Low, winding ridges run across the Moon’s dark plains like faint seams in cooled wax. They are easy to miss in a wide photo.

The stars may not align, but the planets will. Stargazers are in for a treat later this month when six planets form a line during a rare event scientists are dubbing a “planetary parade.” The ...

Nye Passes the Torch to Jennifer Vaughan After 15 Years Leading the Organization Bill Nye’s leadership at The Planetary ...

The fourth planet in the system is a rocky world, while the second and third ones are gas planets.

According to NASA, at least one bright planet can be seen on most nights, depending on the weather.

This year's Lunar Planetary Science Conference (2025 LPSC) saw some truly astounding presentations and proposals. These covered a wide range of science and exploration missions that address the ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

A rocky exoplanet in the LHS 1903 system defies planet formation models, hinting that gravitational upheaval reshaped the red dwarf’s four worlds.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

Any project, supported or not by a committee, that is currently being worked on or is considered active, and will have an end date. The Committee on Astrobiology and Planetary Science (CAPS) provides ...