Bright Alnitak (left of center) is bordered by the Flame Nebula (lower left) and the Horsehead Nebula (lower right). The star’s blazing UV photons ionize the surrounding gas, making it glow ...

It is easily found, right below the bright star Alnitak, the eastern-most star of Orion’s Belt. This dark nebula looks much like a shadow in the shape of a horse’s head.

With its distinct shape, the Horsehead Nebula in the constellation Orion is iconic. Thanks to the James Webb Space Telescope, astronomy fans can now see it in clearer detail than ever before.

The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a glowing emission nebula with a greenish hue and is situated below Orion's Belt. It is one of the brightest nebulae visible to the ...

NASA released photos this week that show the Horsehead Nebula, one of the most famous formations of the cosmos, in a stunning new light.

Located to the south of the star Alnitak, the easternmost of Orion’s famous three-star belt and part of the vast Orion molecular cloud, the Horsehead Nebula is the closest giant star-forming ...

The Horsehead Nebula is a small dark cloud of dust and gas in the constellation Orion. The nebula is located next to the south easternmost star of Orion’s Belt.

Five more chapters - "The Three Belt Stars," "Betelgeuse," "Other Brilliant Stars," "The Orion Nebula," and "The Horsehead Nebula" - describe the brightest stars and the two most famous deep-sky ...

The Horsehead Nebula, in the constellation Orion, is 1,300 light-years away. A light-year is nearly 6 trillion miles (9.7 trillion kilometers).

The European Southern Observatory released a stunning new image of the Flame Nebula, which burns bright at the center of the Orion Constellation.