Present-day Mars is a barren and inhospitable planet, but it may have once had ... it was in the interaction between oceans and land, so this is painting a picture of ancient habitable ...

Mars may once have held enough water to fill oceans and form coastlines. The planet’s red dust contains water and likely formed in cold conditions.

“When we look back at where the earliest life on Earth developed, it was in the interaction between oceans and land, so this is painting ... Blue Planet. “We tend to think about Mars as ...

"Mars is still the Red Planet. It’s just that our understanding of why Mars is red has been transformed." Mars is widely known for its iconic rusty red color — many people even refer to it as ...