New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

Our current best theories of the universe suggest that dark energy is making it expand faster and faster, but new ...

Although the telescope is just getting started on its mission, it has already delivered some impressive snapshots of the dark ...

String theory may be our best attempt at a theory of everything, except that it can't describe an expanding universe like ...

Astrophysics Professor Neta Bahcall discusses her research on dark matter and its effects on the expansion of the universe.

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

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

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

The European Space Agency has released its first tranche of data from the Euclid space telescope's mission to map the ...

"Really, Euclid is not only a dark universe detective, it's also a time machine. We will look back 10 billion years in cosmic ...

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

Scientists using the ACT have captured the clearest images of the universe first light, refining its age and expansion rate.