In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, likely collapsing into a black hole without exploding as a supernova ...

Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky ...

Arizona stargazers can see the Milky Way without special equipment. Learn when and where to spot our galaxy's bright center.

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Astronomers report a supergiant star in the Andromeda Galaxy, M31-2014-DS1, collapsed directly into a black hole without a supernova, confirming predictions of failed stellar explosions.

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.

Here are the Oscar nominees for best picture and where to watch them in Chicago theaters before the awards ceremony on March ...

How is it that galaxies merge and collide but the universe is expanding and everything is moving away from everything else? Justin HammersleySterling Heights, Michigan Whether or not galaxies merge ...

A new photo taken by the world's most powerful telescope shows a 6-quadrillion-kilometre span of our galaxy.

Astronomers used RR Lyrae stars to trace the early Milky Way, revealing a rapid formation of its halo and disk, with chemical patterns similar to Andromeda.