New research suggests Mars may have remained habitable much longer than scientists once thought. Ancient sand dunes in Gale Crater appear to have been soaked by underground water billions of years ago ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

Geological features like these provide evidence that Mars once had a denser atmosphere and significant surface water — ...

For decades, scientists have debated whether Mars once had a large ocean. Images from orbiters have shown valleys, channels ...

Over 70% of Earth's surface is covered by oceans, but most of it remains unexplored. In contrast, we have detailed surface ...

Tardigrades, commonly known as water bears, may be better suited by a new name: Tardiguardians of the Galaxy. Unlike the fictional ragtag team of unenthusiastic heroes, the microscopic animals are ...

NASA reported on February 23, 2026, that the Curiosity rover has been examining unusual rock formations on Mars to gather data about ancient water in the region. The rover has been studying boxwork ...

Composite images of Mars taken by the Hubble Space Telescope in 2024. Thin clouds of water ice, visible in ultraviolet light, give the red planet an icy appearance. The frigid north polar ice cap was ...

NASA’s fleet of Mars orbiters and rovers has transformed our understanding of the Red Planet, allowing scientists to study its surface with unprecedented precision. Equipped with cutting-edge ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, minerals altered by water, and other geological traces indicate that the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of Mars as ...