Mars may have been a prime vacation spot millions of years ago, according to a new study on its coastal deposits. The data came from China’s Zhurong rover, which landed on the Red Planet on May 14, ...

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 ...

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more familiar. New mapping of ancient river systems indicates that a vast ...

A study using radar data from China's now-dead Zhurong rover finds strong evidence that Mars had a stable ocean in the ancient past. Scientists have used orbiters and rovers to find dried streams, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Mars may have once ...

Researchers just discovered evidence to suggest that Mars was once home to oceans and sandy beaches on the red planet, according to data published by the Proceedings of the National Academy of ...

A hypothetical picture of Mars 3.6 billion years ago, when an ocean may have covered nearly half the planet. The blue areas show the depth of the ocean filled to the shoreline level of the ancient, ...

Scientists have discovered the perfect vacation spot: it's sun-soaked, has sandy beaches, sports gentle waves lapping rhythmically on the shore. But hold off on grabbing the sun lotion, because ...