Chatbots can be overly agreeable. To get less agreeable responses, ask for opposing viewpoints, multiple perspectives, and a ...

Explore how the vulturine guinea fowl’s striking blue and white feathers serve more than beauty. From structural coloration ...

Editor’s note: This is the first in a two-part series on how Arizona got its shape. On Feb. 24, 1863, Abraham Lincoln signed legislation dividing the New Mexico Territory into two approximately equal ...