Earth is not only orbiting the Sun it is also traveling through the Milky Way on an enormous galactic journey. In this video ...

Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

WASHINGTON (Reuters) -Astronomers have observed a galaxy dating to an earlier epoch in the universe's history that surprisingly is shaped much like our Milky Way - a spiral structure with a straight ...

It's a new window into the first star explosions.

A groundbreaking study in galactic archaeology proves the Sun made a treacherous journey to reach its current home in the ...

Super galaxy clusters are among the largest structures in the universe. Now, a particularly large one has been measured, ...

Astronomers said in a statement that the enormous concentration of galaxies had long remained largely hidden behind dense ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

Astronomers have identified a star called PicII-503 inside the ultra-faint dwarf galaxy Pictor II, and its chemical ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...