Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic ...

With February’s winter nights regularly dropping below freezing, it’s tempting to take the easy way out and just stay inside.

The clouds of pink and blue consist of high-speed matter ejected ... as it plows into the surrounding gas and dust of the Orion Nebula." HOPS 153's jet and surrounding environment will continue ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

Two young stars shine bright in the dusty depths of the Orion Nebula in a new Hubble Space ... The clouds of pink and blue consist of high-speed matter ejected from the young star as it is still ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Blue in the filaments in the outer part of ... Take for example the Orion Nebula. Forming the middle "star" in Orion's sword, ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...

From planets and constellations, to eclipses and the Aurora Borealis, here's what to look for in the sky this spring ...