More: Nasa is going to make an 'amazing' announcement on Thursday (Thursday 8 October 2015)Dr Alan Stern, a planetary scientist and Principal Investigator on Nasa's New Horizons Pluto mission, made the exciting announcement whilst speaking at the University of Alberta in Canada.
Whilst speaking about the latest images of Pluto captured by the New Horizons probe, Stern said: "Nasa won't let me tell you what we're going to tell you on Thursday. It's amazing."
The article lists a couple of amazing discoveries they've already made on Pluto - weather, hazes, active geology. So what could be even more amazing? Signs of life?