Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

A model of a solar system first and foremost with a small projector built in, the Science Can Solar System Planetary Projector is a great educational tool for kids.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say.

The triple star system is sending comets, asteroids and meteors our way, and the number of interstellar objects entering the solar system will rise.

An object from another solar system is hurtling our way. It is only the third interstellar object ever spotted in our Solar System, although many others have probably passed unnoticed.