We're in beta! If you find a bug or have feedback, let us know in our 
NASA / Zooniverse
Dark Energy Explorers
Help measure dark energy when the universe was just ~2-3 billion years old.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacenasa-supportedcsm2026csm25spacecsm2025nasa-sciact_nasacsm-featured_mos
_mos
within 25 miles
Oct 3, 2026
7 opportunities found! use fewer search filter criteria to find more opportunities
Filters
NSF’s NOIRLab
Globe at Night
To understand the impacts of light pollution.
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacecsm2026girl scoutstop 22 in 2022top2022csm-featuredlibrary_moslight pollutionnatop viewed 2021pollutionstarpolicyastronomy
iNaturalist
iNaturalist
Share observations of biodiversity.
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinedisneyec2020naturecsm-featuredlibrary_mosbiodiversityappcsm2026top viewed 2021ecologyiphonegardeninsect populationsandroidtop2022naturalistgirl scoutssummer reading 2021museumtop 22 in 2022
Gillan Lab at Trinity College Dublin
Neureka
Improve mental health and dementia research
Anywhere
- Ongoing
Citizen ScienceHealth & MedicinePsychologyBiologycsm2026smartphone_moscognitiontop 22 in 2022csm-featuredtop viewed 2021top2022mental healthbrainalzheimerscompulsive habitsdepressioncsm2025neurosciencedementiabrain healthgames
The Makeability Lab at the University of Washington
Project Sidewalk
Collect an open dataset on sidewalk accessibility in cities
Anywhere
- Ongoing
Citizen ScienceComputers & TechnologyTransportationHealth & Medicinecsm2026crowdsourcingartificial intelligencevirtualcomputer vision_mosaccessibilitycitizen sciencemachine learningopen datawheelchaircsm-featuredsidewalkopen sourcepedestrianaicsm2025
Zooniverse
Rubin Comet Catchers
Discover comets and active asteroids in Rubin survey images
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacerubincsm-featured_mos_nasacometsastronomy & spacespacecsm2026asteroids
Human Computation Institute
Stall Catchers
Speed up Alzheimer’s research
Anywhere
- Ongoing
Citizen ScienceChemistryBiologyHealth & Medicinedrugdiscoverybraincirculatory systemtop2022citscitrophyvisual skillsbiomedical_mosmachine learningcitscibiocrowdsourcingcirculationgameendalzblood vesselsscience learningcatchershcompcsm2026alzheimer's diseaseeyesonalzhumancomputationgames4goodmiddle schoolstemalzheimer’s diseasecell biologycrowdcloudneurosciencetop viewed 2021human computation institutecrowdpowernastallscurecitsci4alzgaminggamersimage recognitioncsm-featuredalzheimeronlineeducationsofa projectsonline gamediseaseinformal learningclassificationcognitivedementiastallcatcherstop 22 in 2022alzcurriculumsteamcrushalzcitscigames
1