The company behind Claude once promised to build safe and ethical tech. Pete Hegseth is putting that promise to the test.

The kids are out of school for spring break. Here are the best events, parks, sports games, zoos, museums and places to take them in metro Phoenix.

The Möbius strip, a twisted loop with one continuous surface, is inspiring chemists to create novel molecular structures. A team has synthesized a type of carbon-based molecule with an unprecedented ...