HumansThe Moonday Letters review: Genre-busting sci-fi extols hope as a duty In Emmi Itäranta's The Moonday Letters, humans have adapted to live off-world. But central to this genre-crashing thrill ride is a reminder that hope is essential Culture
SpaceWe may now know why Uranus and Neptune are different shades of blue Uranus is pale blue in colour while Neptune is a deeper shade of blue, and an atmospheric model can explain the difference News