Pull up the geographic center of California on Google Maps and you'll be led to a unique destination in the state.

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

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

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

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

Physicists had long assumed that the elusive force has constant strength. But the latest results from a project to map the ...

Areas in Southern California slowly sliding toward the ocean. Heavy rainfall and erosion are most likely to blame for the slow-moving landslides that are pushing the Palos Verdes ...

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

Cusick said selling their California home gave them enough cash for a large down payment on the new place in Arizona. Their monthly mortgage payment is now $1,672, compared to $3,309 in California ...

The Arizona black rattlesnake is a venomous species in the American southwest. It is known for color-changing abilities, cooperative parenting, and social behavior. These snakes are found in high ...

In the most recent robbery on January 13, a group of 11 suspects — 10 of whom were in the country illegally — cut an air brake hose from a BNSF freight train as it rolled through a secluded ...

Thieves have targeted freight trains running through the deserts of California and Arizona in a string of audacious heists resulting in the theft of more than $2 million worth of new Nike sneakers ...