Three Arizona Democrats said they were shocked by what they saw during their unannounced visit to the ICE facility at Mesa ...

SAN DIEGO (AP) — Evolution works over millennia. Climate change is moving far faster. That mismatch is killing some of the planet’s most vital ecosystems, from California’s towering redwoods to the ...

President Donald Trump's administration this week acknowledged it made a significant error in figures it used to help justify ...

Democrats are struggling to come up for air after outside groups flooded their first round of midterm primaries with campaign ...

Environmentalist Christine Holland closely follows journalist Tiffany Higgins' stories from the Amazon River region, ...

ASU broke ground on a 200,000-sq.-ft. health campus in downtown Phoenix's Bioscience Core zone to train the next generation ...

Their dramatic grand finale fast approaching, Artemis II’s astronauts aimed for a splashdown in the Pacific on Friday to ...

President Donald Trump is tasking the member of his inner circle who has seemed to be the most reluctant defender of the ...

Authorities are warning Valley residents to stay alert as scammers look to capitalize on the recent activation of photo ...

An investigation is underway after a woman was killed in an overnight shooting in west Phoenix, authorities said.

U.S. President Donald Trump appeared to cast doubt on the effectiveness of the two-week ceasefire over Iran's continued ...

Maricopa County health officials on Thursday confirmed a new measles case in a local resident and identified three public ...