Nine runners-up plus the top science achievement of the year
The origins of the species known as 'the hobbit' - a human relative only a little over a metre tall - have been debated ever since its discovery in 2004. Now new fossils may reveal the ancestors of this strange species and help us to understand its history.
Homo naledi adds a new human relative that was primitive but shared physical characteristics with modern humans. The location of the fossil bones suggests that they were deliberately disposed of underground.