Astronomers studying a dim red dwarf star called LHS 1903 have found a four-planet system with an architecture that defies ...

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

Scientists have mapped thousands of young tectonic ridges across the Moon, showing it is still slowly shrinking. These ridges may mark previously unknown sources of moonquakes.

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest ...

Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...

The Lamat Institute at the University of California, Santa Cruz, is a cohort-based research program designed to advance ...

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

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 ...

Scientists have identified a rocky outer planet in a system where a gas giant was expected. The discovery challenges ...

Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical ...