11:00 am - 1:00 pm Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − What’s the weather like on Mars? Free
11:00 am - 1:00 pm Mesa Public Library: What’s the Weather like on Mars? – A Citizen Science Event Free
11:00 am - 1:00 pm Phoenix Public Library: What’s the Weather Like on Mars? A Do NASA Science LIVE! Event Free
10:00 am - 3:00 pm Greater Phoenix City Nature Challenge 2026: Second Sundays on Mill – Urban Adventure Free
2:00 pm - 3:00 pm Maricopa County Library District: Science Spark – Monarch Butterflies America 250 Free
7:00 pm - 7:45 pm ⭐Arizona Game and Fish Department: Citizen Science Case Study – Bats in Arizona Free
