Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

NASA's beleaguered Mars Sample Return program currently faces extreme costs of up to $11 billion and a timeline that could reach 2040. The year 2025 isn't even a week old and NASA is already ...

The mystique of Mars has been studied for centuries. The fourth planet from the sun is reminiscent of a rich, red desert and ...