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

Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our Solar System. And not once has a single black hole disturbed our planetary ...

Professor Brian Cox takes us on a voyage across the Solar System revealing new discoveries, spectacular wonders and mysterious phenomena on the worlds that orbit the sun. Watch all your favourite ABC ...