Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Stargazers can witness a rare 'planet parade' in January and February 2024, where six planets align prominently in the night ...

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