Health and Human Services Secretary Robert F. Kennedy, Jr., spoke about food availability, but his comments on AI in health care drew disapproval.

The company that claims to have "resurrected" the dire wolf has its sights set on the woolly mammoth, dodo bird and Tasmanian tiger.

Two more kinds of ticks can cause red meat allergies than previously thought. See the new species, learn where all 3 live, how to handle bites.

Festival brings lucha libre, baile folklorico, a kids zone and headliners Los Lobos and GQ to downtown Phoenix. Here's the schedule.