Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

We've always known Mars as the Red Planet - but it turns out, we may have had the reason why wrong. If so, it could revise much of what we know about the history of our smaller neighbor planet. In a ...

A giant collision in Mars’ early history created a global magma ocean and buried large fragments of debris deep within the young planet. As Mars cooled, it formed a solid crust — eventually becoming a ...