Mars may have had hot springs millions of years ago The more we look at Mars, the more signs of ancient water we find. Now a study suggests that the Red Planet could have been home to hot springs News
HumansQuiz of the year: Test your knowledge of 2019's science stories How do you revive a burned koala? How many microplastics does a teabag release? Find out how well you've been paying attention with our fun festive quiz Regulars