Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, ...

The Andromeda Galaxy (M31) is the closest galaxy to the Milky Way which is about 2.5 million light-years away. It is the largest spiral galaxy in the Local Group, a group of galaxies that also ...

Galaxies are vast systems of stars, gas, dust, and dark matter held together by gravity. They are the building blocks of the ...

One other thing the Gaia data has been clarifying is that the Milky Way's disk is not serene and flat, but warped and ...

Scientists have discovered that dark matter, the universe's most mysterious "stuff," obeys gravity on vast cosmological scales. This could help to dismiss the possibility of a fifth fundamental force ...

Supernova remnants, stellar nurseries and more populate the new edge-on view of the Milky Way as seen from Earth’s southern hemisphere.

Located in the constellation Leo, spiral galaxy NGC 3370 has long been a favorite among astronomers. NGC 3370 is part of a ...

We measure the “warmness” of the dark matter, i.e. the comoving root-mean-square thermal velocity v hrms (1) , with nearly 3000 spiral galaxy rotation curves in the ...

Born Nov. 2, 1885, In Missouri, Harlow Shapley earned a Ph.D. from Princeton University in 1913. From 1914 to 1921, he was ...

Not only is it relatively close to the Milky Way and one of the brightest galaxies in the night sky, but it's visible beside ...