planetary systems

From 42 to 4200: Life in the Universe, but not Everything?

The rapidly-increasing number of known planets has just passed the 4200 mark, according to NASA. The upshot of this is that we may now have enough planets to detect extraterrestrial life, even if we never discovered any more planets, which is most unlikely given that there are over 5000 additional ‘candidate planets’ awaiting confirmation. Discovering […]