the most distant of which is more than a million light-years from Earth. That’s almost half the distance to Andromeda. This illustration shows the Milky Way galaxy's inner and outer halos.

That's the Andromeda galaxy, our closest galactic neighbor, and in 4 billion years, it will collide with the Milky Way, throwing our ... unexpected places beyond Earth, these massive gas halos ...

The Andromeda Galaxy is hurtling towards us at an incredible speed of 250,000 miles per hour! That’s fast enough to cover the distance between the Earth ... with the Milky Way, resulting in ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

The Milky Way and thousands of other galaxies are drawn to "something": We have no idea what it is. The Great Attractor is a ...

Our solar system resides in a galaxy called the Milky Way, stuffed with between 100 billion and 400 billion other stars, many of them with planets of their own. The Milky Way got its name from the ...

New research suggests that the carbon that serves as the building blocks of life "took the long way around" the galaxy before coming together to make up our bodies here on Earth. The scientists ...