Researchers studying Mars uncovered something unusual hiding inside ancient Martian rocks: a new form of matter we’ve never seen ...

Project Hail Mary touches down in theaters this weekend, and we're now taking a deep dive into the movie's ending and how things play out for Ryan Gosling's Ryland Grace and his alien co-star, Rocky.

Sahuarita police asked to check on the welfare of a local woman Wednesday morning found her deceased and her 3-year-old son alone in the house.

The National Weather Service in Tucson on Thursday recorded the earliest 100-degree day since it began keeping records in ...