Modern space exploration mostly relies on shipments from Earth, but these rarely include fresh fruits or vegetables. Having reliable sources of fresh food—rich in vitamins, antioxidants, and fibre—could help keep astronauts healthy on long missions.

For a long time, scientists believed this was how fish rested. Surprisingly, research reveals that this seemingly effortless behaviour actually uses almost twice as much energy as genuine rest.

Ice found in the vast reaches of space isn't as simple as previously thought.