For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

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

The Milky Way isn't just drifting through a giant void in space untethered, but is embedded in a sheet of dark matter like a ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

A group of astronomers led by Evuda Wempe, a graduate student from the Kaptein Institute in Groningen, discovered a giant structure surrounding a Local group of galaxies, including the Milky Way and ...

The local universe may be expanding more slowly than previously thought, scientists have found. The discovery, made in two separate pieces of research, could relieve one of the most troubling ...

Astronomers have discovered a flattened structure of matter around the Milky Way that explains the unusual motion of nearby galaxies.

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from the James Webb Space Telescope (JWST) in an area of the sky called COSMOS ...

An international research team has found that the Milky Way and its galactic neighbors appear to sit inside a vast, flat concentration of dark matter, a structure stretching roughly 10 megaparsecs and ...