Mars habitability limited by its small size, study suggests

While scientists have found evidence of water in Mars’ early history, the red planet has no liquid water on its surface today

Mars habitability limited by its small size, study suggests (Nasa/Esa)

Mars may be just too small to hold onto large amounts of water, a new study suggests.

While water is essential for life on Earth and other planets, and scientists have found evidence of water in Mars’ early history, the red planet has no liquid water on its surface today.