LifePinball planets: How life could start in a violent solar system We assumed habitable planets couldn't exist in solar systems where gas giants ricochet around. So why do we keep finding them? Features
EarthHere Be Dragons: Hostile aliens, tall people and black holes To anticipate even some of the risks that come from our research, we must vigorously debate the future, urges a provocative book by Olle Häggström CultureLab