Blue stragglers, formed from the merger of two old red stars, shine with greater mass and a bluer hue, a theory confirmed by ...

The Orion Nebula, a nursery for new stars, is showcased in this breathtaking image, with young stars and protostars shining ...

The cosmic superstructure Quipu is more than 13,000 times the length of the Milky Way, and its mass is 200 quadrillion times ...

The strange behavior of hypervelocity stars suggests a nearby dwarf galaxy must contain a supermassive black hole. If so, a ...

"These two supernova remnants are helping us to better understand the dynamics of our home galaxy’s neighborhood," ...

The Milky Way can be seen as something of a bully, having devoured many smaller galaxies to achieve its vast mass, and ...

It is not surprising that there are regions that are more densely populated by galaxies, and regions that are less populated.

Beauty Of Tarantula Nebula This nebula in the Large Magellanic Cloud is one of the most active star-forming regions, filled ...

Caldwell 71, or NGC 2477, is an open star cluster. Open clusters are loosely bound collections of stars. It is located roughly 4,000 light-years from Earth in the constellation Puppis.

The Universe is full of dust, and a striking new image from the Hubble Space Telescope highlights just how important it is.

A nearby planetary system is seen in detail in our first look at an asteroid belt outside our solar system in infrared light ...

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to several hundred of years. The remnant is located in the "Large Magellanic ...