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

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

Get ready to say hello to the eighth full moon of 2025: The August full moon, known as the sturgeon moon, lights up the night sky on Aug. 9. While the bright glow of the sturgeon moon will captivate ...

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 ...