For years, scientists have predicted that in about 3.75 billion years, our Milky Way galaxy would collide with its massive neighbor, the Andromeda galaxy. This cataclysmic event was thought to be a ...

Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31 ...

The Andromeda Galaxy (M31) is one of the most fascinating objects in our night sky and is located relatively close to the Milky Way, making it an important focus for astronomers. This spiral galaxy, ...

Unlike the Milky Way, which is difficult to observe from within due to dust, gas and Earth’s position inside it, Andromeda can be studied from a great distance, offering astronomers a more ...

Andromeda-Milky Way Galaxy Smash-Up May Not Happen As Soon As Expected Learn about the new research that changes the estimates of the Milky Way’s demise.

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

Also known as Andromeda, the Milky Way’s most immediate neighbor is about 2.5 million light-years away, and provides an excellent option for studying how spiral galaxies form and evolve over time.

Space & Spaceflight New Images Show Andromeda Galaxy as You’ve Never Seen It Before The closest galactic relative to the Milky Way helped astronomers discover dark matter in the 1960's.

The galaxy next door to the Milky Way, Andromeda, has never looked as stunning as it does in a new image from NASA's Chandra X-ray space telescope.

Unlike the Milky Way, which is difficult to observe from within due to dust, gas and Earth’s position inside it, Andromeda can be studied from a great distance, offering astronomers a more complete ...

More The galaxy next door to the Milky Way, Andromeda, has never looked as stunning as it does in a new image from NASA's Chandra X-ray space telescope. The image of the galaxy, also known as ...

Milky Way may be visible on July Fourth weekend across the U.S.: How to see our galaxy The center of our home galaxy, the Milky Way is composed of billions of stars that are expected to be bright ...