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

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

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

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

Views of Mars captured by NASA's Psyche mission ...

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 ...

In summer 2026, NASA will commemorate the 50th anniversary of one of the most consequential milestones in planetary ...

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

A new NASA orbital image captures Perseverance after completing a marathon across the surface of Mars. NASA’s Perseverance ...

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