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.

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

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

Watch a bright Moon dominate the sky, trace the Winter Hexagon, and continue enjoying the evening parade of planets in the ...

NASA's Curiosity rover captures stunning images of Martian twilight clouds, shimmering in red and green hues, revealing ...

Already 50° high an hour after sunset ... offering a peek at several dark clouds along the way. Credit: Astronomy: Roen Kelly With no Moon in the evening sky, it’s time for us to track down ...

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

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.