Venus is a crescent now

Venus will pass between the Earth and sun on August 15. So its day side is turning more and more away from us, and Venus appears as a waning crescent.

Photos from far-southern Earth

Icebergs, snow and ice, penguins and whales ...

Lonely galaxy

NGC 6503 resides at the edge of a strangely empty patch of space called the Local Void.

Serenity

"It was one of those sunsets that induced a deep sense of serenity ... "

Noctilucent clouds and an aurora

Auroras stem from activity on the sun and so are seen when the sun has been active. Noctilucent clouds are seasonal, seen in late May through August each year.

Great-horned owl eclipses the moon

A young owl on her first night out from the nest, and a moon just past full.

Reflections of volcanic sunset in Africa

Aerosols from Calbuco Volcano in Chile - which have colored sunsets in parts of the Southern Hemisphere since April - provide rare glimpses of unusual beauty.

Bubble nebula

Energetic radiation from a hot, young central star ionizes a shell of gas, causing it to glow and creating this bubble in space.

Photos from friends: June full moon

Full moon was Tuesday, June 2 at 12:19 p.m. EDT (16:19 UTC). From across Earth, the full moon is shining now from around sunset to dawn.

Bioluminescent surf in Tasmania

The beaches around Tasmania, an island off Australia's south coast, had a strong display of bioluminescence last month.

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