Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary ...

Looking for internet in Arizona? CNET has listed the top internet service providers with reliable service and broad coverage.

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

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 ...

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

Here's how to find the cheapest gas near you and save at the pump with tools like GasBuddy, Fry's or Safeway fuel points and ...

While Resolution Copper is taking a proactive approach to meet its tremendous water needs, their actions may still have a ...

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

A new report identifies ways to create resilient water and wastewater systems in historically neglected communities most ...

Arizona State Retirement System lifted its stake in Alphabet Inc. (NASDAQ:GOOGL – Free Report) by 0.9% in the fourth quarter, ...

NASA launched a new space telescope to explore the origins of the universe. The SPHEREx mission, which stands for ...

A large winter storm bringing snow and rain is hitting Arizona, forcing closures of I-40 in Ash Fork, Kingman and Winslow.