NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

New simulations of Milky Way-like galaxies reveal that the strange split between two chemically distinct groups of stars may ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

New simulations reveal that the Milky Way’s odd split between two chemically distinct groups of stars isn’t a universal ...

The Nancy Grace Roman (the famous NASA astronomer, not to be mistaken for the crime show host), which is slated for launch by ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

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 ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. [‘On This Day in Space’ Video Series on Space.com] The Andromeda ...

Indian scientists have discovered an ancient and massive galaxy called Alaknanda. It looks similar to our Milky Way galaxy ...