Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

Mars’s atmosphere was sufficiently dense and retained enough heat for water to remain liquid on the red planet’s surface. Not so today: Though water ice abounds under the Martian surface and ...

The full disc of Mars is seen with the polar ice caps slightly off centre to the top left and bottom right. Clouds wrap around the planet’s curved horizons. Dark surface markings are clearly seen ...

"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 ...

"Mars is still the red planet. It's just that our understanding of why Mars is red has been transformed. The major implication is that because ferrihydrite could only have formed when water was ...

When ice weighs down the surface ... They all help to determine rates of depression and rebound on the Red Planet's surface and interior. The result? It appears that the surface under the Martian ...

Frigid water helped paint Mars red and may have shaped a vast coastline, two new studies into the planet’s history reveal. Scientists have detected a possible ancient beach in Mars’ northern ...

Mars, our neighboring red planet, possesses some of the most ... It also offers insights into the primary phases of water and ...

Though Zhurong is now inactive, the evidence the rover has collected is vital to understanding the Red Planet’s history ... beaches indicate that Mars once had a large, ice-free ocean, back when the ...