Stargazers will be treated to a dazzling six-planet "alignment" this January.

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Planetary scale model trails are letting cycling enthusiasts pedal their way through the cosmos. These trails are designed ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

DALLASI absolutely love this, it's called an orrery, and it's a little mechanical model of our solar system. You can see the planets here, orbiting the sun as they would do in real life.

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

Emily Simpson, a passionate space enthusiast and recent Florida Tech graduate, has published groundbreaking research that imagines an alternate version of our solar system. Instead of the asteroid ...

A new study suggests that a close encounter with a massive interstellar object, possibly eight times the mass of Jupiter, may ...

New study reveals Pluto and Charon’s origin: a unique "kiss and capture" collision redefines how binary systems form.