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

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

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

A new study using the Dark Energy Survey (DES) final datasets suggests potential inconsistencies in the standard cosmological ...

Photojournalist Stuart Palley turned his camera on the California wildfires and shares his account of devastation and ...