Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

(Neither Titan nor the Crab Nebula are visible to the unaided eye, but with a dark sky and cooperative weather, you can find them with binoculars.) The explosion stripped off the star's outer ...

The Helix Nebula, 650 light-years away, resembles a cosmic eye formed by a dying star’s outer layers shedding.

This Hubble mosaic is the highest resolution image ever made of the entire Crab Nebula, which is located 6,500 light-years away. These opaque, dark knots of gas and dust called "Bok globules" are ...

As it nears 35 consecutive years of space service, the NASA/ESA Hubble Space Telescope has taken another look at a famous ...

Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located 3,400 light-years away in the northern circumpolar constellation Perseus. It is classified as a planetary nebula, an ...

Orion Nebula: Located constellation Orion that's visible to the naked eye. It's a stellar nursery where thousands of stars ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula. Fluffy strands of cosmic gas and dust illuminated by bright young stars ...

The Andromeda nebula, M31, was a prominent example. It’s visible to the naked eye from a dark site. The Andromeda galaxy, then known as the Andromeda nebula, is a bright spot in the sky that ...