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 ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

NASA’s Curiosity rover has captured breathtaking images of iridescent clouds drifting across the Martian sky, revealing a ...

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

There are thousands upon thousands of questions related to the topic of astronomy, from the basics of the science to the ...

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

NASA’s Curiosity rover captured stunning twilight images of Martian clouds, revealing iridescent red and green tinges. These ...