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

ON THE MENU Dem voters want more moderation Senate GOP’s big map, big money Trump hedges on Vance Transgender readers respond ...

Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

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

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.

Tubular cloud waves, often referred to as wave clouds or roll clouds, can appear mystical or even otherworldly as they ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

Light pillars have been observed across West Michigan during the night. Cold temperatures and snow flurries help create this ...

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

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.

Mark Lemmon, an atmospheric scientist with the Space Science Institute in Boulder, Colorado, told NASA that he believes certain regions of the planet are more likely to form the clouds.

The clouds, composed of carbon dioxide ice crystals, glow in shades of red, green, and pearlescent hues in the martian ...