where pink denotes the shallowest water (continental shelves and oceanic plateaus), compared with the yellow-green of mid-ocean ridges and the blue and purple depths of the abyssal plain.

The rover landed in Utopia Planitia, a plain within the largest ... have shown how water once shaped the Martian landscape.

Since touching down in Utopia Planitia, a vast plain in the planet's northern ... might have been eroded by water before the ocean vanished; now, there's even more evidence to suggest that the ...

The rover explored the Utopia Planitia, a northern Martian plain where previous indications ... about ‘3x bigger than all surface water’: A vast ocean buried 400 miles beneath Earth’s ...