The monsoon has officially arrived in Arizona. KNAU's Gillian Ferris spoke with meteorologist Lee Born about the start of the summer rains.

This weekend, Northern Arizona University will host an international conference on stabilizing indigenous languages. Language experts estimate that hundreds - if not thousands - of native languages have been lost worldwide over the last century, mainly due to the influence of outside cultures and ideologies. Jon Reyhner teaches bi-lingual multicultural education at NAU. He spoke with Arizona Public Radio's Gillian Ferris about what it means to stabilize these languages.

A man suspected of starting a string of forest wildfires near Flagstaff has been ruled mentally incompetent. Arizona Public Radio’s Terry Ward reports…

You can't always tell a book by its cover - it's a cliche', but it's bearing out in the world of biology. As biologists peer ever more closely inside the book of life, they are learning there may be far more species of plants and animals than anyone previously thought.