Saber teeth in predators evolved many times. Did it lead to their extinction?
A new analysis suggests saber teeth were highly specialized for puncturing prey, ultimately at the cost of durability.
Former head of Planned Parenthood Cecile Richards has died
In a statement, her family confirmed her death, saying she passed away at home, "surrounded by family and her ever-loyal dog, Ollie."
WATCH LIVE: Presidential Inauguration
Live coverage from NPR and PBS News Hour of the presidential inauguration on January 20.
FDA bans the food dye Red No. 3
The petroleum based color additive that's been used for decades, gives foods and drinks bright, flashy coloring.
2 passenger jets came dangerously close to each other in the skies over Phoenix
At their closest point, the two commercial jets flew within about 1,200 feet of each other laterally and 875 feet vertically.
James Webb Space Telescope's 'little red dots' come into focus
When the cosmic oddballs first showed up in some of JWST's early observations, in December of 2022, it was a surprise.
WATCH LIVE: Arizona State of the State Address
Governor Katie Hobbs will outline priorities for the year and kick off the 2025 legislative session.
The water mystery unfolding in the western U.S.
There's a rural area in Arizona with massive groundwater basins underneath the earth. Water should be plentiful there, but wells are running dry.
Feeling down? Taking a walk could help, new research shows
Getting your steps in can reduce depression, research finds.
Jimmy Carter, the 39th US president, has died at 100
The longest-lived American president died on Sunday, more than a year after entering hospice care.
AZPM Holiday Radio Programming 2024
Special holiday programming on NPR 89.1, Classical 90.5, and Jazz 89.1 HD2
Yes, the number of food recalls has been rising. Here's what you need to know
A Gallup poll from this summer found Americans' confidence in the government to ensure a safe U.S. food supply had sunk to a record low.
SunFed cucumbers and Costco eggs recalled due to potential salmonella contamination
Federal health officials say 68 people in 19 states were sickened by the cucumbers, and 18 of them needed to be hospitalized. There were no reported illnesses with the eggs.
Scientists gather to decode puzzle of the world's rarest whale in 'extraordinary' New Zealand study
The creature, which washed up dead on a beach on New Zealand's South Island in July, is only the seventh specimen ever found.
Is it the flu or is it COVID? One at-home test can tell you
The FDA recently authorized the iHealth at-home test for the SARS-CoV2 virus and two strains of the flu virus.
