Life on Mars? NASA rover finds breakthrough supporting the case.
Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.
Mysterious Mars mounds may bolster case for ancient Red Planet ocean
Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...
Unusual Martian mounds could help solve one of the red planet’s biggest mysteries
Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.