The shape of the Solar System was once a little more on the doughy side. Before it arranged itself into a flattened disk, the distribution of dust and rocks had more in common with a donut than a ...

The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties ...

The evolution of the orbits of the planets is a complex process. Initially the planets formed out of a rotating disk of gas ...

The solar system is made up of the Sun (our nearest ... Asteroids and comets move in paths which are more oval in shape. The Sun’s gravity holds all of these objects together, and the ...

These changes in brightness were the clue to 'Oumuamua's bizarre shape. "Looking at the asteroid ... suggests it originated outside our Solar System But in other respects, 'Oumuamua (pronounced ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational ... be strong enough to make it round or spherical in shape. Its gravitational field must also be strong enough ...

Snowman' shape of distant Ultima revealed Agonising ... taking us back to almost the very beginning of the Solar System". Prof William McKinnon, from Washington University in St Louis, said ...