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

This NASA/ESA Hubble Space Telescope image peers into the dusty recesses of the nearest massive star-forming region to Earth, the Orion Nebula (Messier 42, M42). Just 1,500 light-years away ...

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

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 ...

You’ll find several bright planets, stars and obvious constellations in the February evening sky. The most obvious constellation this month is Orion. To find Orion, face south and look for Orion’s ...

Venus appears low in the evening sky, guiding us to Saturn. Jupiter makes an attractive sight below the Hyades and Mars remains a fine sight.

The nebulosity of hydrogen gas is revealed with the use of a “Hydrogen-Alpha” filter in an astro image of the Cygnus ...

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

Does that middle star look fuzzy to you? It’s a stellar nursery known as Orion Nebula or Messier 42 where stars are being born and you can see it with your unaided eye. What’s more ...