The discovery of pale, loose rocks on the Martian surface could suggest that Mars was once a much warmer world.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. With its iconic ...

The Culture civilization is unique among sci-fi series in that the AIs are mainly benevolent, although you could make the argument that the Minds treat the biological citizens of the Culture like ...

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study. Observations using ground-penetrating radar have revealed underground ...

Back in the 1970s, NASA's Mariner 9 orbiter sent back images showing water-sculpted surfaces on Mars. This discovery settled a major debate – water once flowed on the Red Planet. To advertise ...

a member of the science team for China's Tianwen-1 mission that included the rover. China's Zhuring rover on Mars. (Photo: CNSA) The rover explored the southern part of Utopia Planitia, a large plain ...

"Shorelines are great locations to look for evidence of past life," he added. "It's thought that the earliest life on Earth began at locations like this, near the interface of air and shallow water." ...

So for now, we will still be debating just how Mars got so red. Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic ...

A water-rich iron mineral ferrihydrite may be the main culprit behind Mars’ reddish dust, according to a new study led by researchers from Brown University and the University of Bern. The study's ...

Its ruddy complexion is the defining characteristic of Mars, the idiosyncrasy that marks it out from all the other planets of the Solar System. But a new study suggests we may have misunderstood the ...

On Earth, life is believed to have started in pools and seas as simple microbes. So, what if something similar happened on Mars? Deep within an Algerian quarry, scientists stumbled upon peculiar ...