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Imagine you're an alien living in the Andromeda galaxy, 2.5 million light-years away, peering back at Earth through a massive ...
Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...
These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...
An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.
NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...
We have discovered two interstellar objects so far, ’Oumuamua and Comet 2I/Borisov. ’Oumuamua had no dust tail and a ...
For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.
A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.
The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...
Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...
Early Spiral Galaxy Captured for the First Time Using Gravitational Lenses . For the first time ever, scientists have ...
Witness the breathtaking beauty of our home galaxy, the Milky Way, through 6 stunning images captured by NASA's Hubble Space ...