This lovely evening sky was photographed over a Sacramento neighborhood in early January. Thank you, Claus Weisemann, for ...

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

Look up this week for February’s full snow moon and to catch the last glimpse of a visible parade of planets in the night sky before they fade from view.

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

Rainbows Rainbows are one of nature's most enchanting spectacles, forming beautiful arcs of color in the sky. They occur when ...

NASA estimates that there are nearly 6,000 tons of space junk in low Earth orbit, moving around our planet at speeds up to 18 ...

Tap HERE to track clouds for viewing opportunities with ... in one ecliptic plane in the southern and eastern night sky, just after sunset: Venus, Mars, Jupiter, Saturn, Uranus and Neptune.

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If there's heavy cloud cover near you or you have to miss ... its greatest elongation east (farthest from the sun in Earth's sky) on March 8, the tiny inner planet will be between Saturn and ...

This rare phenomenon, nicknamed the "Parade of Planets," offers a unique opportunity for viewers to observe multiple planets in the night sky. What to Expect Shortly after sunset through mid-February, ...