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Tucson Bird Alliance: Sweetwater Wetlands Field Trip

Sweetwater Wetlands 2511 W. Sweetwater Dr., Tucson

This popular birding hotspot in urban Tucson offers an easy walk through marshes created by Tucson Water to see waterfowl, regular and visiting warblers, and several exciting species hiding in the reeds. Birders of all experience levels welcome! The Wetlands are located at 2511 W Sweetwater Drive. Limited to 12 participants per group. Leader: Donito...

Free – $5

Tucson Bird Alliance: Sweetwater Wetlands Field Trip

Sweetwater Wetlands 2511 W. Sweetwater Dr., Tucson

This popular birding hotspot in urban Tucson offers an easy walk through marshes created by Tucson Water to see waterfowl, regular and visiting warblers, and several exciting species hiding in the reeds. Birders of all experience levels welcome! The Wetlands are located at 2511 W Sweetwater Drive. Limited to 12 participants per group. Leader: Luke...

Free – $5

Tucson Bird Alliance: Sweetwater Wetlands Field Trip

Sweetwater Wetlands 2511 W. Sweetwater Dr., Tucson

This popular birding hotspot in urban Tucson offers an easy walk through marshes created by Tucson Water to see waterfowl, regular and visiting warblers, and several exciting species hiding in the reeds. Birders of all experience levels welcome! The Wetlands are located at 2511 W Sweetwater Drive. Limited to 12 participants per group. Leader: Alex...

Free – $5

Maricopa County Parks and Recreation: APS Fishing Line Clean-Up

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

The Avian and Wildlife Protection Program at APS will be holding a fishing line clean-up at Lake Pleasant. Please join us as we make the shoreline a safer place for all wildlife. The Avian and Wildlife Protection Program at APS will be holding a fishing line clean-up at Lake Pleasant.  Please join us as we...

Free with Park Fee

Arizona State Parks & Trails: Guided Bird Walks at Catalina

Catalina State Park 11570 N. Oracle Rd., Tucson

Located in the Tucson Sky Islands Important Bird Area, Catalina State Park is home to 150+ species of birds. Experienced birding guides will help you spot and identify beautiful birds as you walk through the park for 3-4 hours. Bring binoculars and a birding field guide to enhance your experience! Guides are sold in the gift...

Free with Park Fee

Space Rising: ARIZONA SPACE RISING PROGRAM

Hyatt Regency Downtown Phoenix 122 N. 2nd St., Phoenix

Welcome to the ARIZONA SPACE RISING PROGRAM. This program drives: • Data-driven insights to inform statewide decision-making (facilitated by student scholars) • Funding to support space STEAM initiatives • Visibility for commercial space products • Connections between businesses and capital • National and global media exposure  

$125 – $3750

Arizona State Parks & Trails: Guided Bird Walks at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Bird enthusiasts join a naturalist for a guided walk appropriate for beginner and advanced birders. Most year-round birds are found in the riparian area next to Oak Creek or along the field behind the Visitor Center. The Audubon Society has designated Red Rock State Park as part of the Lower Oak Creek Important Birding Area...

Free with Park Fee

Maricopa County Parks and Recreation: Guided Bird Walk

Hassayampa River Preserve 49614 U.S. Hwy. 60 89, Wickenburg

Learn about the resident and migrant birds of desert riparian areas on this guided walk with Ranger Eric. Click on program title for more details. Join Ranger Eric for a guided bird walk to look and listen for resident and migrant species within the lush desert riparian habitat of the Hassayampa River Preserve. Along the...

Free with Park Fee

Arizona State Parks & Trails: Apple Packing Shed Open House

Slide Rock State Park 6871 AZ-89A, Sedona

Experience a piece of Arizona history. Get an opportunity to explore the Pendley Homestead Apple Packing Shed. A ranger will be available to answer any questions about the homestead's history. Come and see the Bean Cutler 1933 Sorter and Bean Cutler Polisher added in 1946. Saturdays and Sundays from 10 a.m.-12 p.m. Resuming April 8,...

Free with Park Fee

HeatSync Labs: Caffeine & Coworking

HeatSync Labs 108 W. Main St., Mesa

The lab is open! Bring your projects, get excited, and make things!       HeatSync Labs is a 501(c)3 nonprofit hackerspace in Mesa, Arizona dedicated to helping you get access to the tools and skills you need to make awesome stuff. Remember we have no staff; we're made up entirely of volunteers including you!...

Reid Park Zoo: Sean Kenney’s Nature Pop!

Reid Park Zoo 3400 Zoo Court, Tucson

Part art. Part engineering. Totally amazing! Add a pop of wonder and a pinch of nostalgia to your spring with Sean Kenney’s Nature Pop! Marvel at over 40 wildly creative sculptures made entirely of LEGO® bricks at this exhibition, included with Zoo admission and free for Zoo members from 9 a.m. to 4 p.m. daily....

Free with Admission

Arizona State Parks and Trails: Daily Guided Nature Hikes at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include geology, wildlife, history, archeology, and plant life. The naturalists welcome questions during the walk, enhancing the learning experience. Hikes are included with park entrance fees...

Free with Park Fee

Mesa Public Library: Digital Audio Recording Demonstration

Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa

Did you know you can record music using the iMac in THINKspot? Join us for a demonstration of the basics of Logic Pro X, a digital audio workstation.

Free

Watershed Management: Virtual Rainwater Harvesting Class: Sustainable Desert Living Series

Online

Develop water harvesting skills with this virtual Sustainable Desert Living series class from Watershed Management Group. Our instructor will teach you best practices for passive rainwater harvesting (basins) and active rainwater harvesting (tanks). Learn how to save water while creating a rainwater-sustained oasis at your home. This class does NOT qualify you for any rainwater harvesting rebate.

Free – $20

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

Maricopa County Library District: Plant-based Power Cooking Demo

MCLDAZ - Georgia T. Lord Library 1900 N. Civic Square, Goodyear

Join Heather Gosnell, MD, pediatrician and plant-based health coach, for a fun and flavorful plant-based cooking demo at the library. In this session, we’ll explore how to create Peanut Butter Energy Bites—the perfect nutrient-dense snack for busy spring days. Whether you’re a seasoned plant-based eater or just curious about adding more whole foods to your...

Free

Scottsdale Public Library: Introduction to the Internet Series

Scottsdale Public Library - Civic Center Library 3839 N. Drinkwater Blvd., Scottsdale

Explore how to navigate the internet, use search engines to find information and bookmark web pages for easy access. Look at websites concerning computer security, new, travel and more. Prerequisite:  Proficiency in the use of computer/mouse. Classes are taught on library supplied laptops.

Free

Mesa Public Library: Hands-Only CPR

Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa

Be ready to save a life! In this session, you’ll learn Hands-Only CPR, a quick and effective way to respond during a cardiac emergency by calling 9-1-1 and starting chest compressions right away.

Free

Mesa Public Library: Computer Basics

Mesa Public Library - Main Branch 64 E. First St., Mesa

If you are new to the computer then Computer Basics is the place to start.  This week we will learn how to type on a keyboard. Laptops and mice are provided to the first 11 persons.  You are more than welcome to bring your own device!

Free

Maricopa County Parks and Recreation: Discovery Station – Become a Junior Ranger

White Tank Mountain Regional Park 20304 W. White Tank Mountain Rd., Waddell

Join Ranger Olivia to learn what being a Junior Ranger means, and how you can earn your badge today! Click on program title for more details. This is a casual drop-in program, that gives you an opportunity to come and learn about how you can become a Junior Ranger on National Junior Ranger Day. This...

Free with Park Fee

Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − Comets, Clues, and Our Cosmic Story

Online

Help NASA-supported scientists find active comets to find clues about our early universe. All you need is curiosity. Featured Project: Rubin Comet Catchers During this virtual event, you'll look through real images from the Vera C. Rubin Observatory to find comets and other active objects in our solar system. Each comet you spot offers valuable clues...

Free

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

Mesa Public Library: Citizen Science – Do NASA Science LIVE

Mesa Public Library - Red Mountain Branch 635 N. Power Rd., Mesa

Do NASA Science LIVE is a fun, hands-on event that invite everyone—students, families, hobbyists, and lifelong learners—to help NASA do real science. This event is a part of "Acts of Science: Connected," which will bring us all together in April to celebrate participation in real research for Citizen Science Month! SciStarter is aiming toward a...

Free

Phoenix Public Library: Comets, Clues, and Our Cosmic Story

Phoenix Public Library - South Mountain Community Library 7050 S. 24th St., Phoenix

The project Rubin Comet Catchers invites participants to help find new comets and explore small, icy objects in our solar system using images from the new Vera C. Rubin Observatory in Chile. By looking at these pictures, volunteers can spot comets that have never been seen before. Every discovery helps scientists learn how comets form,...

Free

Scottsdale Community College: The Science of Project Hail Mary

Scottsdale Community College 9000 E. Chaparral Rd., Scottsdale

Join our special final STEM speaker series talk of the semester all about the science of Project Hail Mary, the book and movie by Andy Weir (author of the Martian). We will explore where the story gets the science right, where it takes liberties, and where it goes full technobabble. This talk features heavy plot spoilers...

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

Maricopa County Parks and Recreation: Junior Ranger Hike

White Tank Mountain Regional Park 20304 W. White Tank Mountain Rd., Waddell

Bring your family and join Ranger Olivia on this slow-paced family friendly hike to become a Junior Ranger.   Come out to White Tank on National Junior Ranger Day to earn your Maricopa County Junior Ranger Badge. This hike will consist of completing our Junior Ranger guidebook along one of our trails with a Ranger and then taking...

Free with Park Fee

Chandler Public Library: 3 Essential Hacks for a Healthier You – Hack #3: Detoxify Your Life

Chandler Public Library - Sunset Campus 4930 W. Ray Rd., Chandler

“3 Essential Hacks for a Healthier You” is a free nutrition education series offered by Natural Grocers that helps participants build sustainable healthy habits. The third and final session in the series is titled: "Hack #3: Detoxify Your Life". This session teaches attendees how to gently support their body’s natural detoxification processes and reduce exposure...

Free

Mesa Public Library: Graphic Design Studio (Adult)

Mesa Public Library - Gateway Branch 5036 S. Eastmark Pkwy., Mesa

Every month, we will create awesome projects using all sorts of iPad graphic design apps. Learn vector graphics, raster graphics, pixel graphics, animation, and how to take your own work to the next level. It’s time to learn how to unlock your creativity in the Graphic Design Studio. No iPad or graphic design experience is...

Free

Mesa Public Library: Sewing – for Adults

Mesa Public Library - Main Branch 64 E. First St., Mesa

Learn how to use the Brother sewing machines by creating your own sewing project. Instruction and materials are provided.

Free

HeatSync Labs: Group Programming Practice – Leetcode

HeatSync Labs 108 W. Main St., Mesa

Let's solve some Leetcode problems as a group. We will discuss some methods and tips that can help you get to the right answers faster. Work on your algorithms and pick up tips and tricks from your fellow devs. Or just hang out and meet some nice people. Bring a laptop if you can and...