SpaceLong space flights can increase the volume of astronauts’ brainsSpending at least six months in microgravity can cause astronauts’ brain volumes to increase, causing pressure to build up in their heads and creating vision problemsNews
SpaceHow red is a black hole? The strange reality of what space looks likeOur images of deep space are spectacular, but don’t reflect what our eyes would see. Here's what their stunning true colours reveal about the cosmosFeatures