If Saturn and Jupiter collided, would they become one planet?

We explore the possibility of the two major heavyweights in the Solar System colliding in epic fashion

Vesta was the victim of a ‘cosmic hit-and-run’

Astronomers have deduced from a meteorite that the second largest asteroid in the Asteroid Belt was part of a tremendous collision

A full on smashup or a near miss? We find out what happens to planets when their galaxies collide

Is our Milky Way destined to collide with any other galaxies?

A head-on collision, a near miss or not even possible? We find out if these two planets can actually collide

Check out the final moments of the comet chaser – in pictures

Detailed analysis of data collected by the ESA mission show that they are the ancient leftovers of early Solar System formation

The cosmic structure is experiencing an extraordinarily high rate of star formation

Using a telescope and camera, astronomer John McKeon filmed the incredible spectacle

A new network of video surveillance cameras in New Zealand detected a surprise meteor shower on New Year’s Eve

A curious galaxy has been caught dancing the crazed dance of a galactic merger

A low-speed smash up between two comets gave rise to the distinctive appearance of Comet 67P/Churyumov-Gerasimenko

Find out why manmade satellites don’t crash into each other all the time

Gemma Lavender heads straight into this one to find us the answer.