Cathay Wise works for Audubon studying birds in the Southwest. She said ducks and geese have always used Arizona land when ...

Five hundred million years ago, the Earth saw a huge jump in the diversification of life forms called the Cambrian Explosion.

Cambodia and Thailand agreed to a ceasefire on Monday, set to start at midnight local time, after attending talks in Malaysia ...

"What is it like to be a teen right now?" Young artists explored that question for two different exhibitions of their work ...

Kids in the U.S. get most of their calories from ultra-processed foods, which are tied to health problems. Now, scientists ...

The American Medical Association is urging HHS Secretary Robert F. Kennedy Jr. not to oust members of the U.S. Preventive ...

In Nogales, Army scouts patrolled the border in full battle gear — helmet, M4 service rifle, bullet-resistant vest — with the ...

The Dragon Bravo Fire spanned over 44,000 acres on Sunday after several days of critical fire weather on the Grand Canyon’s ...

Trump had most recently threatened tariffs of 30% on imports from the European Union. But on Sunday, he met with the ...

Tom Lehrer, a popular musical satirist who rose to fame in the 1950s and '60s before returning to a career teaching math, has ...

USA Swimming members Patrick Sammon, Jack Alexy, Jonny Kulow and Chris Guiliano also placed in the men's 4x100m freestyle ...

The ACLU wants records from Pima County Sheriff Chris Nanos after saying it has received reports that his deputies are ...