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

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

The oldest stars in the Milky Way are forcing a fresh look at one of cosmology’s biggest arguments. If some of them are about ...

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

Researchers from the University of Bologna and the Leibniz Institute for Astrophysics Potsdam (AIP) along with other ...

Astronomers from UCT have uncovered the true scale of one of the largest hidden structures in the nearby Universe.

A sweeping new ALMA image has peeled back the veil on the Milky Way’s core, exposing a dense network of cold gas filaments ...

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

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we currently know. These elusive "orphan" galaxies have ...

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

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...