Alternative to fireworks? Stargazers could instead catch a cosmic light show this Fourth of July weekend when the Milky Way ...

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

The view of our home galaxy lit up the night sky at the U.S. National Science Foundation's Kitt Peak National Observatory in Arizona.

It’s puny compared to M87, an elliptical galaxy 980,000 light years in diameter. The Milky Way is only 100,000 light years in diameter. Let’s not even get into Hercules A, ...

The Sculptor galaxy is similar in many respects to our Milky Way. It is about the same size and mass, with a similar spiral ...

If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars.

Size of the Milky Way Upgraded, Solving Galaxy Puzzle. News. By Shannon Hall published 4 May 2015 When you purchase through links on our site, we may earn an affiliate commission.

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about 250,000 miles per hour (400,000 kph), setting up a possible future ...

The biggest known planet in the Milky Way may be HD 100546 b, which is a very large gas giant in the process of forming with a diameter roughly 6.9 times that of Jupiter, or 77 times that of Earth.

The Milky Way contains between 100 billion and 400 billion stars, but the exact number is difficult to determine due to the galaxy's vast size and the presence of dust that obscures our view.

The Milky Way, however, is much larger than would be expected based on the size of our Local Sheet, despite not being an uncommonly large galaxy on a universal scale.

Astronomers have at last identified what’s believed to be the edge of the Milky Way galaxy. A team of astronomers from England used that farthest point to determine that the diameter of the ...