It might be good for science if NASA got involved with the search for aliens on Earth, life-changing cystic fibrosis treatment wins the Breakthrough Prize and a tiny jumping robot that is powered by explosions. Artificial intelligence diagnoses and predicts the risk of developing Parkinson’s disease, heart failure and more from images of a person’s retinas. Plus, a ‘Pandora’s box’ of new protein shapes has been discovered and why breast cancer often spreads to the spine.