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 ...

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

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Rain showers and light wintry mix early in the day with overcast skies; Any icing will stay near the KS/OK border; Wednesday: Rain, wintry mix and snow. Primarily rain li ...

It is February and it feels like summer in Andhra Pradesh, with the mercury levels soaring beyond the 35-degrees Celsius mark ...

Louisville could see the return of snowfall before Wednesday's aptly named full "Snow Moon" arrives in the skies above ...