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

All evidence points to Mars having had a carbon dioxide-rich atmosphere billions of years ago, but insufficient carbonates in Martian soil challenge this theory. Now, a new study using data from ...

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a frozen desert where even a thin wisp of air struggles to hold on. NASA’s ...

A schematic of temperature measurements shows how it is 40 degrees Celsius colder inside the north polar vortex (indicated by the yellow line) compared to outside the vortex. A rare glimpse into the ...

Mars continues to astonish scientists with a new set of images that reveal the Red Planet’s atmosphere in unprecedented detail. Captured by ESA’s ExoMars Trace Gas Orbiter, these high-resolution views ...

It’s beginning to look a lot like Christmas—on Mars. The otherworldly landscape is, for the most part, a distinct red hue, but recent images reveal unusual frosty features that have turned the Red ...