Solstice sun rolling down the hill

An 8-frame animation of the sun setting behind Tijuca Peak in Rio de Janeiro, Brazil, 10 hours after the Southern Hemisphere's summer solstice.

Setting sun apparition

"A couple of bright blobs of orange light appeared for one minute ... in almost the exact position where the sun usually sets for the few days around our summer solstice."

Snow, lit by full moon, from space

An Arctic air mass brought snow to the northern U.S. last week. A lake-effect snow followed an earlier snow accumulation. A NASA satellite caught the view from space, under full moonlight.

Ursid meteors are flying

The moon is up during the best hours for watching (after midnight). Still, people are catching Ursid meteors. This one was a bright one! The Ursid shower peaks this week.

Ice monster lighthouse

"The lighthouse is starting to look like an ice monster," said Joshua Nowicki. He took this shot on December 15 on the north pier in Saint Joseph, Michigan.

Zodiacal light over Momotombo Volcano

This photographer captured a volcano from a volcano, plus he caught the hazy pyramid of light known as the "false dawn," and more.

Long Night Moon

The December full moon over the bitterly cold landscape of eastern Washington.

Deep winter

Snow-covered pine trees in Norway's Skibotn Valley, by Gibfoto.

Glorious Horsehead Nebula

This dark cloud is located inside a larger star-forming region … a place where new stars are being born. Tips from the astrophotographer on how you can capture it.

Moontrail over Beijing’s Forbidden City

Jeff Dai created this moontrail photo by keeping his camera still, rather than tracking along with the stars. He said it was about a 3-hour exposure.