Zodiacal light in Monument Valley, Arizona

Zodiacal light - also called the false dusk - and the natural totem poles in Monument Valley, Arizona.

Last night’s crescent moon

Waxing crescent moon over France on March 4, by Jean-Baptiste Feldmann.

Rising sun, northern Norway

The rising sun, captured in Sørkjosen, Troms, in northern Norway by Tommy Richardsen

Reading the rainbow

Astrophysics - understanding the physical nature of stars - was born when astronomers learned to analyze the different wavelengths of white light.

Rise of Venus and Milky Way over Singapore

Photographer Justin Ng told us it has been his dream to capture the Milky Way over light-polluted Singapore. This morning, he finally did it.

Zodiacal light over New Mexico

For northerly latitudes, it's the beginning of zodiacal light season in the evening. Look in the sunset direction, about an hour after the sun goes down.

Best photos of spectacular conjunction of moon and Venus

EarthSky friends on Facebook and Google+ shared these wonderful photos of the spectacular moon and Venus conjunction this week. Thank you all!

Omega moonrise, Monmouth Beach, New Jersey

As the moon lifted up, pulling away from the horizon, an omega shape was created. This lower portion of the moon is an inverted mirage of what is directly above it.

Bright aurora in moonlight

The moon was up when Mike Taylor captured this photo of the aurora borealis, or northern lights. The foreground lighting is moonlight.

Mars rover seen from orbit

On February 14, a NASA spacecraft orbiting the planet Mars caught this image of the Opportunity Rover on Mars' surface.