What is the Goldilocks zone?

Most children know the story of Goldilocks and the Three Bears; a little girl breaks into a house, finds fault…

NASA: there is water on Mars

Until 3 billion years ago, Mars was a wet planet much like our own. It had land, an extensive atmosphere…

Space lettuce!

If you want a fresh salad you might take a trip to the shop, or maybe to your allotment. But…

A year in space

On the 27th March 2015, three astronauts will travel from Earth to the International Space Station (ISS). One of them,…

Why is the Sun hot?

This question was asked by Betty in Birmingham, UK.  The simple answer to this question is that the Sun is…