SpaceTitan has a belt of ice 6300 kilometres long that shouldn't be there The surface of Saturn’s moon Titan is mostly coated in a thick layer of sediment, but it has a long corridor of bare ice that is proving difficult to explain News
SpaceApollo astronauts might have found a piece of Earth on the moon A 4 billion-year-old rock found on the moon may have originally come from our planet, and could be one of the oldest Earth rocks ever seen News