Edwin Hubble's revelation in 1924 that the Andromeda Nebula was, in fact, an 'island universe,' was a pivotal moment in our ...

On Sunday November 23, 1924, 100 years ago this month, readers perusing page six of the New York Times would have found an ...

This swath of dust, which blocks out light from the bright nebula Gum 55 behind it, is known as the Dark Wolf Nebula.

Astronomers have been able to look at the sun and a handful of other stars in the Milky Way up close, thanks to modern advances in telescopes. But getting a detailed view of a star outside the galaxy ...

From sparkling brilliance of the Westerlunds, to the stunning view of the Milky Way's galactic center, check out these 10 ...

A group of international scientists discovered three ultra-massive “Red Monster” galaxies capable of forming their own stars ...

Scientists have taken a close-up picture of a star apparently in its death throes, surrounded by gas and dust as it heads ...

This image of the Milky Way galaxy was captured by the European Southern Observatory (ESO) at the Paranal Observatory in Chile, in collaboration with NASA. This image of the Milky Way, created by NASA ...

A minority view, however, held that the Milky Way was only one "island" of stars, gas, and dust, and that there were other such islands beyond. An important clue to which perspective was right seemed ...

Edwin Hubble, a renowned astronomer, revolutionized our understanding of the universe. He proved the existence of galaxies ...