Asteroid brushes the Horsehead Nebula

Animation shows the space rock 4451 Grieve as it zips by the famous nebula.

The flip side

The aurora borealis lights up the sky and the water.

Night-shining cloud season begins in Antarctica

Noctilucent clouds - aka night-shining clouds - are thought to be made of ice crystals that form on fine dust particles from meteors.

Bar-headed geese in India

A beautiful shot of bar-headed geese - one of the world's highest flying birds - over a wetlands in India in November 2014. Photo by Abhinav Singhai.

Good morning!

November morning sky at Old Scituate Light in Scituate, Massachusetts, USA.

Crescent moon

Tuesday's crescent moon sets behind a small cabin. Photo by Göran Strand.

Magellanic Clouds and more

Milky Way, Large and Small Magellanic Clouds and bright star Canopus can be seen in this image taken at sunrise over East Java’s Mount Bromo.

Ice-covered lighthouse in Michigan

Wow! A fearsome ice king! Outer lighthouse in St. Joseph, Michigan last Friday night.

Venus returning to evening sky!

The sky's brightest planet, Venus, has been behind the sun as viewed from our earthly vantage point. By early December, it'll be back in your evening sky!

One of the highest resolution images of Mercury, ever

MESSENGER spacecraft's fuel is nearly depleted. It will impact Mercury in March 2015. For now, space engineers are getting some of the best-ever Mercury pics.

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