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

The SpaceX Falcon 9 rocket launch created a visual sensation for sky watchers Monday evening in Stanislaus County. The rocket ...

While the Martian clouds may look like the kind seen in Earth’s skies, they include frozen carbon dioxide, or dry ice.

As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.

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

Venus glowed brightly on a clear night sky over Saint Petersburg, Russia. Footage shows the heavenly body shining above the ...