Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

The holiday sky saves one last bit of sparkle for the end of the year. In 2025, the grand finale comes courtesy of the Ursids meteor shower. The Ursids may not be as prolific as other meteor showers, ...

Get ready to look up: The Orionid meteor shower is lighting up Arizona skies this week. The Orionids, which occur annually during the fall season, are bits of dust and debris left behind by Halley’s ...

July is once again exiting in style, treating stargazers to a meteor shower double-feature this week.