PHOENIX — In just a few days, thousands of people will flood the streets in Roswell, New Mexico for the annual UFO Festival to celebrate one of the most notorious UFO sightings to date. Here in ...

Will President Donald Trump's invocation of the Alien Enemies Act have an impact on Arizona? The act hasn't been used since World War II.

There I was yesterday morning, feeling sorry for all the residents of Arizona who didn’t get a chance to vote on that state’s show-me-your-papers, anti-illegal immigration legislation and are now ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

The Federal Aviation Administration has no explanation for a mysterious bright object seen by pilots of two separate aircraft over the Arizona desert in February. A flight-control recording of the ...