top viewed 2021

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Nov 30, 2025

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceAgricultureFoodOcean Water MarineEcology & EnvironmentEducationInsects & PollinatorsNature & Outdoorssummer reading 2021antsgirl scoutsantnutrientspicnicfunfallwildlifenutritionrob dunnyour wild lifesummerrob dunn labant picnicoutsidespringtop2022dunn labtop 22 in 2022diettop viewed 2021cookiesnorth carolinawinter

NASA / Zooniverse

Backyard Worlds: Planet 9

Search the realm beyond Neptune for new brown dwarfs and planets.

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanets_nasatop viewed 2021nasanasa-supportedplanet ninenasa-sciactbrown dwarfswisesolar systemstars

Mount St. Joseph University

Cicada Safari

To map the distribution of periodical cicada and annual cicada emergences.

Multiple locations, including yours!

Ongoing through September 1, 2027 at 4:00 AM

Citizen ScienceInsects & PollinatorsNature & Outdoorscicadasperiodical cicadasinsectstop viewed 2021cicadainsect

Crowd the Tap

We’re creating a national inventory of tap water pipes.

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop viewed 2021top 22 in 2022pipeshealthtop2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhaleminke whalemarine mammalwhale watchtrackanimaloceantrackingphotorescuemappingsea mammalminkewildlifeunderwatermammalcetaceanmaphumpbacksoceanswhale trackingwhale migrationfinphoto identificationstoriesnature & outdoorswhale biologyorcasseastorytellingphoto idocean-dwellingphotographysea animalmigrationmammalsecology & environmentstorymarine mammalogytop viewed 2021whale watchinggpswhalescitizen scienceconservationresearchfin whaleidentificationnon-invasivedolphinkiller whaleorcahumpbackstranding

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentgirl scoutslibrarytop 22 in 2022csm-featuredstarnatop2022top viewed 2021light pollution

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marineearth2025top2022girl scoutsappcsm2025climatecloudsglobedust stormsnasathe globe programnasa gotop 22 in 2022_nasadustnasa-sciactcsm-featuredweatheratmospheretop viewed 2021nasa-supported

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021girl scoutsandroidtop 22 in 2022gardencsm-featuredtop2022top viewed 2021naturalistiphoneinsect populationsec2020appbiodiversitynaturelibrarymuseum

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentyale climate connectionsmarine environmentnasa orbiting carbon observatoryurban heatearth2025photographyradioremote sensingcsm-featuredfunnprjet propulsion laboratorymappingrainnew orleansbeachesbackyardtop2022girl scoutsclimate educationheatclimate sciencecitylos angeleswnyccitizen science watercsm2025top viewed 2021citizen sciencetrees urban street forest mapresiliencenew yorkbirdsmountainsnasasciencecitizen journalismjulia kumari drapkinneighborhoodjournalismfloodsnowcommunityearth sciencecarbonclimateurban heat islandclimate changetop 22 in 2022weathersensorscoastal changeearthcrowdsourcingtreesstoriespublic mediacommunity engagementmiamisea level risesatellitesdrought

Marine Debris Tracker

Monitor litter where you find it, from our oceans to your backyard.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationearth2025littermarine debrisdebriscsm2025ecology & environmenttrackerocean pollutioncsm-featurednature & outdoorstop viewed 2021appgirl scoutsmarinewaste managementplastic pollution

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