How did the Earth come to possess water? Did some alien ship have too much and dump it or is there some simpler explanation? Through a process that lasted millions of years the Earth was made from a cloud of dust and gas. At the later stages of formation the Earth was an extremely hot [...]

The Kuiper belt is a region beyond Neptune that is full of comets, asteroids and other debris. It circles the solar system and has always been a little bit of a mystery as it is so far away and hard to explore. The inkling that the Kuiper belt existed first came from Kuiper and a [...]

The solar system formed from dust grains and eventually built up into planets. On the way to making planets some dust grains only formed up to a small size (compared to a planet) and remain at this size today. These rocks are called asteroids. If it wasn’t for these rocks the planets would not have [...]

Wouldn’t it be good to know how you got here? Well unfortunately the answer to that is unknown. It has been thought about for a long, long time and one day we will probably know the answer. What we do have good idea about though is how the solar system formed. Throughout the galaxy gigantic [...]

Have you ever looked up into the sky and wondered what was going to drop onto your head? When you look up what do you see? Well if I was to do it now I would see a load of black clouds as I live in the rainy UK  which tends to give me a [...]