Known as the cosmic microwave background, the microwaves are a relic from a time when the universe was first cooling down ...

We talk to Wil Wheaton about his new audiobook podcast It's Storytime with Wil Wheaton, in which he narrates speculative ...

The newly released Euclid images hint at the large-scale organization of galaxies in what is known as the cosmic web, ...

The European Space Agency’s “dark universe detective” discovered millions of new galaxies and offers potential clues about ...

A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

An accidental discovery by a team of astronomers has upended existing theories about how galaxies formed in the early ...

The “dark energy” field that has fueled the expansion has been weakening over the past 4 billion to 5 billion years, new data ...

Astronomers have uncovered a colossal disk galaxy in the early universe, a structure so large and well-formed that it ...

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...