There is a problem with our approach at the moment when looking for alien civilisations. SETI looks for signals that are sent by the electromagnetic spectrum and their are a lot of frequencies to search. If you pair this with the size of the universe you can see how SETI is really looking for a [...]

The Sun is quite a useful piece of the solar system. Without it, let’s face it, we wouldn’t be here, so when it starts doing odd things it is a cause for concern. sunspots appear normally and are a regular feature of the Sun. So how do sunspots affect the Earth? Should we really worry [...]