Three library patrons sitting in front of a citizen science kit. Kit is open and patrons are viewing the materials inside.

Celebrate America250: Prepare for 2.50 Million Acts of Science with SciStarter

Libraries, museums, and other community spaces are cornerstones of civic life and curiosity. In April 2026, they’ll become launchpads for discovery—inviting individuals and families to join citizen science projects that spark imagination and advance real-world research.

In celebration of America’s 250th Anniversary, join a movement that highlights the power of everyday people to shape our future through science. Be part of America Gives and America Innovates by participating in the “2.50 Million Acts of Science” challenge throughout April 2026Citizen Science Month!

From birdwatching and testing water quality to classifying galaxies at the library, people of all ages in your community can make a difference. As we celebrate America’s 250th birthday, we’ll honor a legacy of discovery—and spark its future—one act of science at a time.

LIBRARIES: For general Citizen Science Month resources, click here.


America250

The United States will commemorate the 250th anniversary of the signing of the Declaration of Independence. The Semiquincentennial is celebrated all year in 2026. This milestone is a time to:

Logo reads "2.50 million acts of science with a molecule symbol hanging off the word "of" on right side.

Citizen Science Month

Each April, everyone is invited to join the Acts of Science challenge. This year, we’ll have a special focus on America250 as we aim for 2.5 Million Acts.


Preparing for America250 with SciStarter

With support from Arizona State University and SciStarter, anyone can contribute to real scientific research by sharing observations, uploading photos, analyzing data, and more—all through simple, meaningful activities in your own community. Here’s how to prepare for April, Citizen Science Month

Through three phases—Inspire & Listen, Equip & Prepare, and Act & Celebrate—you’ll prepare for April using free resources, trainings, examples and support.


Thank you to our partners!