Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely; they find it to be about 2 1/2 million light years away. It is a majestic spiral-shaped galaxy ...

The rosy red structures of a nearby galaxy glow brightly in a new image from the Hubble Space Telescope. The Andromeda Galaxy ...

Active galaxy—A galaxy with an unusually strong output of energy, thought to be powered by a supermassive black hole in its core. Andromeda Galaxy—The nearest large spiral galaxy to the Milky ...

Only 100 years ago, in fact, when Edwin Hubble found a type of star known as Cepheid variables within Andromeda, and used ...

That’s almost half the distance to Andromeda. Have you ever seen the Andromeda galaxy? Go outside after dark this month and look high up in the northeast sky and you’ll find the W-shaped ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

In this episode, Dave Eicher invites you to observe one of the most famous deep-sky objects, the Andromeda Galaxy, also known as Messier 31 (M31). Named for its location in the constellation ...

This illustration shows a stage in the predicted merger between our Milky Way galaxy and the ... [+] neighboring Andromeda galaxy, as it will unfold over the next several billion years.

The nearby galaxy Andromeda is speeding towards us at 250,000 mph. It has a long way to travel - about 2.5 million light-years - but it's likely to crash into the Milky Way in about 4 billion years.

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Right now, the Andromeda galaxy is racing toward the Milky Way at a speed of 250,000 mph - fast enough to circle the world in just six minutes. And it's scheduled to collide, head-on, with the ...