Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Imagine the solar system's planets throwing a Bollywood dance party. Each planet has its unique dance move. Mercury moves ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

WASHINGTON >> Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star - one of our closest ...

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.