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

KJ Lewis went to Head Coach Tommy Lloyd and asked to be taking out of the starting lineup. Taking on his old role as the ...

Discovered in Arizona’s Copper Triangle, Oak Flat is home to one of the richest copper deposits in the world. But the battle ...

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

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

A new road trip of the Southwest’s Indigenous heartlands offers travellers a greater understanding of the past, present and ...

A mountainous community in Arizona promises visitors a gorgeous state park, good restaurants, and beautiful hiking trails ...

A report published Tuesday identifies ways historically neglected communities most vulnerable to climate change, like Tome’s, ...

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant ...

Night - Scattered showers with a 67% chance of precipitation. Winds variable at 7 to 8 mph (11.3 to 12.9 kph). The overnight low will be 48 °F (8.9 °C). Partly cloudy with a high of 67 °F (19.4 ...

Most of the U.S. should be able to see the total lunar eclipse tonight, but clouds will be problematic for many.

Maggie Kulyk, a progressive donor and activist in the Atlanta area, has a long list of worries about President Donald Trump: His moves to bypass Congress and swiftly slash the size of government, the ...