You might think of our solar system as fixed and unchanging. But that doesn't take into account the constant discoveries ...

Many of us learned about the order of the planets in our Solar System through some mnemonic device. We were also taught to think that the Solar System is a fixed thing, but our grade school ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...

Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Researchers analyzed 28 Ryugu asteroid samples and found preserved magnetic signals that record early solar system magnetic fields and water-driven alteration on its parent body.

Add Yahoo as a preferred source to see more of our stories on Google. The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the ...