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

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

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The area near clouds is often classified as ‘clear sky’, but a new study demonstrates the potential biases of misclassifying ...

Readers’ photos celebrate sunrises and sunsets, when the light is the most pleasing. Fifty-one photos were sent in; here are ...

NASA's Curiosity Mars rover captured this feather-shaped iridescent cloud just after sunset on Jan. 27 ... it is also looking up at the martian sky. Like Earth, Mars has its own seasonal weather ...

Tap HERE to track clouds for viewing ... other side of the sun. We will be one planet short of a maximum alignment. Six planets will still be possible to see in one ecliptic plane in the southern and ...

On Saturday evening, the orange rays of the setting sun played on the underside of the blanket of cloud that covered so much of the western sky ... the fire of the sunset traced the topography ...

Tap HERE to track clouds ... the sun. We will be one planet short of a maximum alignment. Six planets will still be possible to see in one ecliptic plane in the southern and eastern night sky ...