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The University of Arizona: Richard F. Caris Mirror Lab Tour

The University of Arizona Steward Observatory 933 N. Cherry Ave., Tucson

Explore the cutting-edge of astronomical innovation on this 90-minute guided tour of the Richard F. Caris Mirror Lab at the University of Arizona. Learn how pioneering engineering, optical science, and precision manufacturing come together to create the world’s largest and most advanced telescope mirrors—each 8.4 meters (27 feet) in diameter. Located beneath the U of A’s football...

$20 – $25

Wildlife World Zoo, Aquarium and Safari Park: CAPYBARA ENCOUNTER

Wildlife World Zoo, Aquarium and Safari Park 16501 W. Northern Ave., Litchfield Park

Experience the opportunity of a lifetime with our Capybara Encounter! Come meet Chewy or BB and their care team at Shipwreck Cove. This encounter will give you the opportunity to feed our capybaras and learn from their care team about what it takes to care for such unique animals. Feel the texture of their fur...

$79

Wildlife World Zoo, Aquarium and Safari Park: PENGUIN ENCOUNTER

Wildlife World Zoo, Aquarium and Safari Park 16501 W. Northern Ave., Litchfield Park

Experience the best dressed encounter opportunity at Wildlife World Zoo! Meet one of our endangered African Penguins and their trainers in the Wild and Wonderful aquarium building in front of the penguin exhibit. This encounter will give you the opportunity to find out what it takes to care for these incredible animals. Learn fun facts...

$89

Pima County Public Library: GED Prep – Science

Online

Join our GED instructors for guided GED Social Studies & Science instruction. Instruction can include online assignments, traditional lectures, and interactive practice. The Science test rely heavily on reading comprehension and we would encourage you to spend time with the RLA instructors to increase those skills. The Science test will also test your math knowledge....

Free

Flagstaff Festival of Science: Pilgrimage of Light Art Exhibit

Beasley Gallery 1115 S. Knoles Dr., Flagstaff

Pilgrimage of Light is an exhibition of work by Texas-based artist and Grand Canyon Artist-in-Residence alum Mark Chen. His photographs unite the cosmos and the Earth, aligning starlight with ancient landscapes to reveal the experience of deep time through projected celestial imagery. Presented in partnership with the Grand Canyon Artist-in-Residence program Beasley Hours Wed /...

Free

Wildlife World Zoo, Aquarium and Safari Park: SEA LION ENCOUNTER

Wildlife World Zoo, Aquarium and Safari Park 16501 W. Northern Ave., Litchfield Park

Have you ever wanted to meet one of our Sea Lions up close and personal? Join us for a WILD encounter at Wildlife World Zoo! Learn what it takes to care for our amazing marine mammals, and see what goes in to training them. You will be able to get an individual or group photo,...

$89

Wildlife World Zoo, Aquarium and Safari Park: SLOTH ENCOUNTER

Wildlife World Zoo, Aquarium and Safari Park 16501 W. Northern Ave., Litchfield Park

Have you ever wanted to meet a sloth? Come meet Luna and her care team. This encounter will give you the opportunity to feed Luna and learn from her care team what it takes to raise and care for such a unique animal. Feel the texture of her hair and take a selfie with our...

$69

Pima County Public Library: Code Club for Tweens and Teens – Homeschool Edition

Pima County Public Library - Wheeler Taft Abbett Sr. Library 7800 N. Schisler Dr., Tucson

Created for a younger audience in mind (8 years or older), earlier in the day. But you don’t have to be a homeschooler. If you’re a teen and this time works for you, please join us. No experience necessary. Join us and learn how to code. Use variables, loops, conditionals, debugging strategies and more. Build your own...

Free

Flagstaff Festival of Science: Meet Your New Neighbor – AI Is Already Living and Working in Flagstaff

Flagstaff Science Center at Moonshot 2225 N. Gemini Dr. Suite E12, Flagstaff

AI isn't coming to Flagstaff; it's already here, growing food, driving business, teaching kids, and reshaping jobs. Join four local innovators for a lively, audience-driven panel as they pull back the curtain on what's happening in our community, answer your questions, and look to the future. Ages 13+     Part of Flagstaff Festival of...

Free

Flagstaff Festival of Science: Robot Rally – VEX Obstacle Challenge

TynkerSpace 1515 E. Cedar Ave., Flagstaff

Jump into the world of robotics in this fast-paced, hands-on workshop! Participants will experiment with VEX robots, learning how to control movement, adjust design, and navigate challenges. Then it's time to hit the course and race your robot through an obstacle track and see how it performs. Make quick tweaks, try again, and improve your...

Free

Flagstaff Festival of Science: Rocks Rock Downtown Flagstaff Geology Tour

Explore Downtown's unique geology with geologist Daniel Foley. Learn about architectural styles, discuss changing preferences for certain rock types, and discover exciting historic events etched in stone. Meeting location provided upon reservation. Reservation Required. Ages 13+     Part of Flagstaff Festival of Science 2026. 10-Day Science Festival Our flagship September event featuring 100+ free...

Free

Pima County Public Library: GED One-on-One Help

Pima County Public Library - Valencia Library 202 W. Valencia Rd., Tucson

When you have a specific question, or just need a little extra boost, our GED instructor is here to help you. GED Prep is available in the subjects of Social Studies, Math, Science, Languages Arts, and Civics Classes. Instruction can include assignments, traditional lectures, and interactive practice. Participants should be 16+

Free

Flagstaff Festival of Science: Walk on Mars

W F Killip Elementary School 2300 E. 6th Ave., Flagstaff

Explorers of all ages can walk across a giant, gym-sized landscape map of Mars to learn about the Red Planet! Open to the public from 3:00 to 5:00 p.m. at...

Free

Flandrau Science Center & Planetarium: Touring the Solar System

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Take a guided journey through the Solar System and explore what makes each planet unique—from Jupiter’s giant storms to Saturn’s rings. We’ll also visit moons, asteroids, and the Milky Way on this cosmic adventure. Audience: General, all ages Style: Live star talk     All-Inclusive Planetarium Show Tickets Show tickets include access to all science...

Free – $27

Pima County Public Library: STEAM Club

Pima County Public Library - Murphy-Wilmot Library 530 N. Wilmot Rd., Tucson

STEAM is an acronym for “Science, Technology, Engineering, Arts, and Math.” Our STEAM Club brings creativity, problem-solving, logic, and experimentation together – which suits many ways of learning and allows children to explore and experiment while having fun! Come explore new STEAM topics with us each week!  Ages 6 - 17    

Free

Pima County Public Library: LEGO® Play at Nanini Library

Pima County Public Library - Nanini Library 7300 N. Shannon Rd., Tucson

Come build with us! Folks of all ages are welcome to dig into our massive piles of LEGO® bricks and let their imaginations run wild. We've got Duplo blocks on hand for our littlest builders, too! No registration needed — just drop in. Light refreshments provided while supplies last. Ages 3 - 18

Free

Pima County Public Library: LEGO Club

Pima County Public Library - Oro Valley Library 1305 W. Naranja Dr., Oro Valley

LEGOs are fun for the whole family! You’ll build with LEGOs of all sizes. Display your LEGO creation at the library for all to enjoy! LEGO Clubs helps improve math skills, science skills, literary skills, social skills, and problem-solving skills. Ages 3 - 18

Free

Flagstaff Festival of Science: Tag a Monarch Butterfly

Bubbling Ponds Fish Hatchery 1970 N. Page Springs Rd., Cornville

Monarch Butterflies are on their Fall Migration! Mexico or California, where will they go? Learn to tag a monarch to find out. Join us in the field and become a Citizen Scientist for a day! Limited to 15 people. Reservations required. Ages 6+   Part of Flagstaff Festival of Science 2026. 10-Day Science Festival Our...

Free

Tempe Public Library: Maker Lab

Tempe Public Library 3500 S. Rural Rd., Tempe

Discover new tech, tools, and hands-on skills each month in the Maker Lab.   Each month in the Maker Lab, you’ll get hands-on with the latest tech and creative tools—from VR and 3D printing to laser cutting and more. It’s a chance to experiment, build real-world skills, and bring your ideas to life. Ages 12...

Free

Flagstaff Festival of Science: Astrophotography Workshop – Beginner’s Classroom

Coconino Center for the Arts 2300 N. Fort Valley Rd., Flagstaff

Reservations are required for the classroom portion of the workshop. This two-part workshop will consist of a beginner’s classroom session followed by a field session. The classroom session will cover the basics of planning, equipment, camera settings, composition, and post-processing for astrophotography, with a focus on capturing images of the Milky Way. After a break,...

Free

Pima County Public Library: GED Ciencias

Online

Curso de GED Prep en español - en línea -- Esta clase ayudará a los participantes a mejorar sus habilidades de lectura, escritura, matemáticas y pensamiento crítico, todas ellas necesarias para incrementar sus posibilidades de éxito en sus examenes GED. La clase se impartirá completamente en español. La instrucción puede incluir tareas, conferencias tradicionales y práctica...

Free

Pima County Public Library: GED Matemáticas

Online

Curso de GED Prep en español -- en línea -- Esta clase ayudará a los participantes a mejorar sus habilidades de lectura, escritura, matemáticas y pensamiento crítico, todas ellas necesarias para...

Free

Pima County Public Library: GED Prep – Math

Online

Join our GED instructors online via Zoom for guided GED math instruction. Math instruction can include recommendations for online math learning, traditional lecture, and interactive practice. Math instruction builds on itself, requiring basic building blocks to learn more complex concepts. For that reason we highly recommend that you make a commitment to attending at the same...

Free

Maricopa County Parks and Recreation: Sunsets and Saguaros

Lake Pleasant Regional Park 41835 N. Castle Hot Springs Rd., Morristown

The hike will cover 3 miles and gain 343ft in elevation on rocky trail. There are a few loose sections of trail and areas with steep drop-offs so if you have difficulty with balance sturdy hiking shoes and trekking poles are strongly encouraged. As you will be hiking at night all hikers will need flashlights...

Free with Park Fee

Maricopa County Parks and Recreation: Bug Theatre/Scorpion Safari

Estrella Mountain Regional Park 14805 W. Vineyard Ave., Goodyear

We’re setting up our version of the silver screen near the Nature Center tonight. Once it’s dark, we’ll turn on the spotlight and enjoy the show that unfolds, as all manner of arthropods are drawn to the light. We’ll even have a few “creepy-crawlies” on hand to look at. Plus, conditions permitting, we’ll take a...

Free with Park Fee

Flagstaff Festival of Science: Astrophotography Workshop – All Levels

Buffalo Park 2400 N.Gemini Rd., Flagstaff

This event is dependent on the weather. Please check this listing for updates the day of the event. This two-part workshop will consist of a beginner’s classroom session followed by a field session. The classroom session will cover the basics of planning, equipment, camera settings, composition, and post-processing for astrophotography, with a focus on capturing...

Free

Lowell Observatory: Private Group Stargazing

Lowell Observatory 1400 W. Mars Hill Rd., Flagstaff

Experience the universe up-close with our state-of-the-art 24-inch Dyer Telescope. This private, personalized expedition across the stars lasts 75 minutes and offers an exclusive opportunity to view the cosmos through Lowell Observatory’s newest telescope. Because of the sophistication and speed of the 24-inch Dyer Telescope, our specially trained educators can offer you an impressive number...

Maricopa County Parks and Recreation: Creatures of the Night

Spur Cross Ranch Conservation Area 44000 N. Spur Cross Rd., Cave Creek

Come experience the desert in a new light, darkness! Bring a flashlight (and UV light if you have one) and we’ll see the desert in a new way. Scorpions glow, mice and spiders scurry from plant to plant, unseen birds and bats shuffle and flutter above. The desert is a completely different world in the...

Free with Park Fee

Flagstaff Festival of Science: Buffalo Park Night Hike

Buffalo Park 2400 N.Gemini Rd., Flagstaff

Join us for a 1-mile night hike through Buffalo Park! As we walk along a flat, well-maintained dirt trail, we will experiment with our senses, explore the constellations, and discuss the nighttime environment. Please bring water and red lights (no white lights, please!) to help preserve night vision. Ages 9+     Part of Flagstaff...

Free