Astronomers discover an 850,000 light-year-long cosmic filament in the early universe, providing insights into large-scale ...

The Milky Way. How big do you think the Milky Way galaxy would be if the Sun was 0.0015mm in diameter? Guess by posting in ...

A supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

The Milky Way is seen side on so we see across its diameter, while a thin strip of light marks the edge of Earth's atmosphere (suffice it to say, this wasn't captured on one of the best camera ...

Unlike the typical blue-and-green depiction of Earth, this photo shows the planet in a mossy green hue, framed by a thin ...

Milky Way: It’s a spiral galaxy with a disk of stars spanning more than 100,000 light-years. The Carina Nebula, with an overall diameter of more than 200 light- years, is one of the outstanding ...

Within the Milky Way itself there are hypervelocity stars ... It is 163,000 light-years from Earth and has a diameter of approximately 14,000 light-years. Astronomers believe that in the distant ...

Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful tools is something called 21 cm radiation. Hydrogen, the most abundant ...

The Large Magellanic Cloud, a dwarf satellite galaxy orbiting the Milky Way, causing the larger galaxy to “wobble,” imparting measurable accelerations to Milky Way pulsars. They, in turn ...