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Andromeda Galaxy

Andromeda: Our Sister Galaxy

Mario Livio | Posted 03.23.2015 | Science
Mario Livio

By measuring very precisely the motion of the Andromeda galaxy relative to the Milky Way, astronomers using the Hubble Space Telescope were able to determine in 2012 that the Milky Way and Andromeda are destined for a head-on collision in about 4 billion years.

Scientists Give Surprising New Estimate Of Milky Way's Mass

The Huffington Post | Jacqueline Howard | Posted 07.30.2014 | Science

Surprise! Our home galaxy is no pipsqueak, but it isn't nearly as massive as scientists used to think. Astronomers often refer to the neighboring A...

WATCH: How Violent Collision Gave Nearby Galaxy Its Arms

natureheader | Katia Moskvitch | Posted 06.04.2014 | Science

The Andromeda galaxy got its peculiar ring-like spiral arms in a collision with a dwarf galaxy around 900 million years ago, a computer simulation sug...

The Universe: A Partial Inventory

Mario Livio | Posted 10.20.2013 | Science
Mario Livio

What did we know about the size and contents of our universe a hundred years ago? Very little. Even the proton, the nucleus of the simplest atom (hydrogen), was only discovered by Rutherford in 1917-1919.

Swan Song for the Stars of Summer

Dean Regas | Posted 10.08.2013 | Science
Dean Regas

August is the month to take all of this in. Whether you're a kid or an adult, this is the time to lie back in the grass, get out of town to experience a meteor shower, view the stars of summer, and share the universe with those you love.

Black Hole Bonanza Discovered In Neighboring Galaxy

Space.com | Clara Moskowitz | Posted 06.13.2013 | Science

Astronomers have discovered 26 new likely black holes in the neighboring Andromeda galaxy — the largest haul of black hole candidates ever found in ...

Monster Gas Cloud Could Be Birthing Stars

Posted 05.09.2013 | Science

By: Nola Taylor Redd Published: 05/08/2013 01:19 PM EDT on SPACE.com A never-before-seen interstellar network of gas between two nearby galaxies m...

LOOK: Awesome New View Of Nearby Galaxy

The Huffington Post | Andres Jauregui | Posted 01.29.2013 | Science

In this amazing new view of the Andromeda galaxy, taken by the the Herschel Space Observatory, "cool lanes of forming stars," where many new heavenly ...

Colliding Galaxies Created Weird Link In Space, Scientists Say

Posted 06.12.2012 | Science

By: SPACE.com Staff Published: 06/12/2012 07:36 AM EDT on SPACE.com ANCHORAGE, Alaska — Two galaxies near our own Milky Way may have had a clo...