Aliens in Space!

Did you hear the one about NASA finding evidence of aliens? OK, it’s not a joke, but it’s also extremely unlikely to be what the stories in various media have been suggesting. Essentially, the Kepler Space Telescope is looking for planets around distant stars by measuring very small changes in the star’s brightness. If the change follows certain patterns, including repeating regularly, there’s a good chance that it’s because a planet orbiting that star blocks a bit of the light as it passes between the star and us. In this case the pattern is not regular, so it’s not a […]