A company that lets people bet on everything from where Taylor Swift and Travis Kelce will get married to whether Katie Hobbs will get another four year term as Arizona ...

Titan, Saturn's largest moon, happens to share some truly remarkable geophysical and geological processes with our home ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Plan the ultimate American West road trip with 13 state-by-state itineraries that'll take you to glaciers, canyons, hot springs, beaches, volcanoes, and wide-open skies.

Discovered in 1930 at the Lowell Observatory, Pluto was demoted as a planet in 2006. Some want President Trump to take action via executive order.

There are tall saguaros, round barrel cacti, and prickly pears everywhere you look. Walking through these gardens feels like ...

A seven-ton meteor streaked across the skies above Cleveland yesterday morning, producing a powerful sonic boom that shook homes across northeast Ohio and parts of several other states beyond. NASA ...

Ryan Gosling couldn't be more charming in "Project Hail Mary," based on Andy Weir's novel. Comparisons to "The Martian" aside ...

Salman Rushdie, the most prominent literary figure to appear at the Tucson Festival of Books in its 17 years, spoke to about a thousand people Sunday from a festival stage ...

Two retired Arizona police officers are putting their combined 59 years of investigative experience to work in a new way — ...