A century ago, Edwin Hubble unveiled a groundbreaking discovery that revolutionized humanity’s understanding of the cosmos.

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

It also provides a way to investigate one of the universe's greatest mysteries -- dark matter. Most galaxies, including the Milky Way, contain tens of billions of stars. In nearby galaxies such as ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

SPHEREx is a groundbreaking NASA telescope that will map the entire sky in infrared, revealing insights into cosmic inflation ...

The black holes seem way too massive compared to the mass of the stars in the galaxies that host them. In the modern universe, for galaxies close to our own Milky Way, supermassive black holes ...

Astronomers setting their sights halfway across the observable universe recently ... in a statement. Most galaxies, including our Milky Way, contain tens of billions of stars that are readily ...

Ring galaxies are some of the rarest galaxies found throughout our universe, and for years scientists ... nebulae because they are composed of stars, not of gas and other ejecta.

"These galaxies are small, faint and rich in gas, yet all of them are actively forming new stars — a surprising trait for dwarf galaxies in a group," team leader Cristiano G. Sabiu of the ...

Ultra-faint dwarf galaxies are the faintest type of galaxy in the universe. Typically containing just a few hundred to a thousand stars—compared with the hundreds of billions that make up the ...