Despite being Earth's nearest planetary neighbour, Mars is a cold and desolate planet. But scientists think it wasn't always like that. And now, new data collated by China's space missions have finally been looked into by researchers which give extra weight to the idea that Mars was once a very wet planet,

Data from China's Zhurong rover on Mars suggests an ancient ocean and strengthens evidence that the planet was once warm, wet, and habitable.

China's Mars rover discovered evidence of an ancient Red Planet beach. Here's why scientists are excited about this.