For centuries, humanity believed that Earth was the center of the universe, a view championed by Aristotle and Ptolemy. But ...

Hold onto your telescopes, folks—the milky way and andromeda just challenged each other to a cosmic size contest… and ...

New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

Using the Five-hundred-meter Aperture Spherical Radio Telescope (FAST), or the "China Sky Eye", Chinese and international ...

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

An MIT astronomy class has found three of the oldest stars in the universe lurking right outside the Milky Way. The stars, about 30,000 light-years from Earth, are in the galaxy's "halo," the ...

Until now it was believed that barred spiral galaxies like the Milky Way could not be observed before the universe, estimated to be 13.8 billion years old, reached half of its current age.