The classic signs of spring have been appearing for weeks across the South and are gradually inching northward.

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

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

The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak ...

TUCSON, AZ (AZFamily) — About an hour and a half drive east of Tucson, nestled out in the desert, is a unique structure whose ...

California is one of the states hit especially ... Pennsylvania and Delaware, as shown in the map below. This is the second-most severe category on the CDC's map, after "very high," which includes ...

Covenant marriage, which limits grounds for divorce, is only recognized in Arizona ... including in California Get your bird feeders out. You can find these seven hummingbirds in California New fire ...

The Dark Energy Spectroscopic Instrument (DESI), which involves UCL researchers, has released its most detailed analysis yet ...

The Dark Energy Spectroscopic Instrument (DESI), which involves UCL researchers, has released its most detailed analysis yet ...

Sacramento, Amador, Calaveras and Tuolumne counties are represented in the new maps. The next phase of updated California Fire ... Hazard' is based on the physical conditions that create a ...

I was particularly interested in medical errors, believed to be the third leading cause of death in the United States, as well as the surprising complexities of diagnosis, an opaque process sometimes ...