The Sombrero galaxy looks entirely different in a new image by the James Webb Space Telescope. Instead of a Mexican hat, it ...

Dark energy — the stuff that accelerates the expansion of the universe — is only now beginning to be understood ...

The Dark Energy Spectroscopic Instrument uses a telescope in Tucson, Arizona, to create a map of the universe's ...

The formation of galaxies in the universe should follow a fairly simple path. It starts with small galaxies, which then grow ...

NEW YORK — Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed ...

In the early Universe, long before they should have had time to grow, astronomers have found what they're calling 'red ...