If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made ...

The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...

For the fourth year in a row, iridescent clouds of frozen CO2 are lighting the Martian sky. The clouds appear in the same ...

Mars may have once had a vast, ice-free ocean, according to new evidence from China’s Zhurong rover. Using ground-penetrating ...

NASA’s Europa Clipper is using Mars and Earth’s gravity to travel efficiently to Jupiter. The spacecraft will study Europa’s ...

The three-kilometre-thick ice sheet covering Mars's north pole is young, formed between 2 and 12 million years ago. The ice sheet is bending the rocky crust beneath at a rate of 0.13 millimetres per ...

China’s Zhurong rover used ground-penetrating radar to find signs of beaches beneath Mars’ surface, adding evidence to the ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

For decades, scientists believed that Mars’ red color came from hematite, a type of iron oxide that forms under dry ...

Tohoku University researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in the soil.

The ripples suggest that the lake was free of ice at one point.