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 ...

Scientists have produced the first global map and analysis of small mare ridges (SMRs) on the moon, a characteristic geological feature of tectonic activity. Published in The Planetary Science Journal ...

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

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

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.

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 ...

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

The Committee on Astrobiology and Planetary Science (CAPS) provides an independent, authoritative forum for identifying and discussing issues in astrobiology and planetary science with the research ...