The Andromeda Galaxy, 2.5 million light-years away, is unveiled in Hubble's largest photomosaic. Spanning a decade, this ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

The discovery contrasts with earlier findings, which predominantly identified blue supergiants, which are among the brightest ...

neighboring Andromeda galaxy, as it will unfold over the next ... While the stars and light in the galaxy extended 7,800 light years from its center, the gas glowed 100,000 light years into ...

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 stunning spiral arms of the nearby galaxy Messier 81 are beautifully showcased by NASA's Spitzer Space Telescope. NASA's ...

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the ...

In fact, the furthest ends of the galaxy would reach all the way to the Andromeda galaxy, which is our nearest galactic ...

NASA’s Spitzer Telescope revealed the Milky Way’s hidden center, using infrared to uncover its dense, star-packed core. This ...

The galaxy in question is the famous Andromeda Galaxy, also known as M31, which is the most distant object you can see with your naked eyes. If you’ve got a pair of binoculars you’ll get a ...

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of ...