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

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

Our Solar System is in motion and cruises at about 200 kilometres per second relative to the center of the Milky Way.

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...

Free learning activities and videos about the solar system ... the solar system Free learning activities and videos about the solar system Take a Virtual Field Trip to outer space Take a Virtual ...

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 our galaxy.

This journey through a dense region of space could have compressed the heliosphere, the protective bubble surrounding our solar system ... while sailing through our Galaxy.

but some of them may have formed relatively recently in the solar system’s history. The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build ...

Mysterious cloud at solar system’s edge found to host strange ‘mini galaxy’ - Oort cloud’s origin and shape can help unravel mystery of comets ...