Science, Maths & Technology
Is there life on Mars?
...Open University, explores...Mars is usually depicted as a dry, cold, and inhospitable world… but plenty of evidence tells the story of a more benign planet: a Mars spotted with lakes and rivers. Nevertheless, at some point in the past, around 3.5 billion years ago, the martian atmosphere started becoming thinner and thinner, prompting the liquid water on the surface of...