Using deep imaging from the James Webb Space Telescope, they observed a galaxy bearing a striking resemblance to our ...

Do all stars exist in galaxies, or do some exist in intergalactic space?Thomas GriffilthAtlantic City, New Jersey Nearly all ...

Using data from the James Webb Space Telescope, astronomers traced how Milky Way–like galaxies formed and changed over time.

Understanding how the Milky Way formed means looking far beyond the bright spiral you see in the night sky. A new study led ...

From a window on the International Space Station, astronauts have captured a rare view of a nearby galaxy caught in the act ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

CAPE CANAVERAL, Fla. — 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 ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

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 ...

A new study in Monthly Notices of the Royal Astronomical Society used advanced computer simulations to test whether major ...

CAPE CANAVERAL, Fla. (AP) — 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 ...

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 ...