NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Trump’s pick to lead NASA, billionaire Jared Isaacman, has not been approved yet, so no official changes in the plan have ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

NASA’s Curiosity rover has captured breathtaking images of red and green-tinted clouds drifting across the Martian sky. These ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

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 ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings.

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