"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

From its peculiar reddish colour, to whether life ever existed on Mars, NASA has unlocked several secrets of the red planet over the decades. Check out these 7 stunning NASA images of Mars that reveal ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

Incredibly powerful marsquakes that violently shake the red planet don't always begin under the surface, research shows.

NASA has released stunning images of mysterious colorful clouds drifting in the sky over Mars. Captured by NASA's Curiosity rover on January 17 over the course of 16 minutes, the images show ...

A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...