Astronomers have long known that the Andromeda galaxy, aka Messier 31, a swirling city-state of a trillion stars — plus all the accouterments of gas, dust, dark matter and black holes — is rumbling ...

See that bright object in the sky? That’s Andromeda – the closest major galaxy to our Milky Way and the most distant thing you can see with the naked eye. And… it’s racing toward us at a rate of 110 ...

Astronomers now believe the Milky Way's "inevitable" collision with a neighboring galaxy is much less likely than originally thought.

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

August has been a month jam-packed with cosmic phenomena visible from Earth – from nebulas to meteor showers to planetary conjunctions. But the month isn't over yet. And now, add to the mix one of the ...

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. Though the Milky Way is generally always visible from Earth, certain times of year are better for ...