The most important star humanity has ever known, and worshipped throughout history, the sun is constantly providing our heat and light from 92 million miles away. But what happens if the sun dies?
Planning for more advanced missions to other destinations in space pose new challenges for space suit engineers. Find out why the space suits worn to the moon aren't going to be right for Mars exploration
Over the next few billion years our planet will gradually become inhospitable for life. This means that future generations are going to have to find somewhere else to live.
The International Space Station (ISS) will be the most complex spacecraft ever built. It is meant to be a stop over for other space destination, and building it will be a major task
The tools that space walkers use in outer space look surprisingly similar to those found in a local hardware shop - but they have to be much stronger. Find out more
Zero gravity is harmful to the human body. One cosmonaut stayed aboard a space station for 15 months - which is the longest period of time that anyone's ever remained on one! Find out about the physical problems that occur.
Asteroids, comets and meteors could be harmful to Earth upon impact, and although it sounds like science fiction, our atmospheric armour has pierced on numerous occasions throughout history.