More than a decade of data about the particles zipping around our sun could be used to solve many mysteries, from the ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the same disc of debris around the sun. The line the sun traces across the ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.