Imagine you're an alien living in the Andromeda galaxy, 2.5 million light-years away, peering back at Earth through a massive ...

When you switch on your living room light, you will instantly see the light. That’s because light travels extremely fast – ...

By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...

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Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

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

NASA has released a breathtaking new image of the Andromeda Galaxy, our closest galactic neighbor. Also known as Messier 31, or M31, Andromeda is located about 2.5 million light-years from Earth.

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...