Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

Celeste Kidd's research challenges long-standing ideas from Jean Piaget about children's problem-solving abilities. Her ...

These are the capsule reviews of the 10 films contending for Best Picture at the Academy Awards, which will take place March 15.

Valley Metro is shifting its focus on high-capacity transit planning in west Phoenix following a City Council vote, prioritizing a new corridor along Indian School Road while exiting the Capitol ...