NASA's Viking 1 mission blazed a crucial trail with its Mars landing on July 20, 1976. Now, half a century later, that trail ...

NASA's asteroid-hunting Psyche spacecraft recently needed a little gravitational assist from Mars to keep speeding towards ...

The spacecraft aced its encounter with Mars. Now, mission scientists are studying a trove of data from the flyby in ...

At first, Mars was little more than a curved blade of light suspended in darkness. As NASA’s Psyche spacecraft drew nearer, ...

On July 20, 1976, Viking 1—the first successful Mars lander in history—touched down on the red planet. NASA’s Viking Program ...

The spacecraft made a close approach to the red planet in May on its way to explore the asteroid it's named after.

This composite of images taken by NASA's Psyche mission shows the crescent of Mars grow as the spacecraft approached the ...

Scientists think ancient Mars was quite different than it is today. While we might know it now as a barred, reddish wasteland ...

NASA is officially calling for research participants for the agency’s next simulated deep space mission set to start in ...

NASA's Perseverance rover has reached an impressive new milestone on Mars, completing the equivalent of a full marathon by ...

Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.

For anyone who has ever wondered whether they could handle life on another planet, NASA is offering a chance to find out – ...