top viewed 2021

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Sep 29, 2026

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & PollinatorsEducationEcology & EnvironmentOcean Water MarineFoodAgricultureoutsidecookiesgirl scoutsinsectsrob dunndata literacynorth carolinanutrientsdunn labsummer reading 2021summerrob dunn labwinterpicnicwildlifescientific methodantsfalldiettop2022antnutritionfunyour wild lifetop viewed 2021ant picnicspringtop 22 in 2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacetop viewed 2021nasa-supportedwisenasasolar system_nasastarsbrown dwarfsnasa-sciactplanet nineplanets

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 & Outdoorstop viewed 2021cicadascicadaperiodical cicadasinsectinsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencehealthtop2022watertop 22 in 2022pipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale watchingfingpsmarine mammalmammalkiller whaletrackinghumpbacksoceansecology & environmentmappingmammalsmapstorytellingfin whalephotographycetaceanconservationminke whalephotomigrationnon-invasiveseadolphinstrandingtop viewed 2021marine mammalogyanimalidentificationresearchwhale biologyminkeorcaorcastrackhumpbackstoriesnature & outdoorsunderwaterrescuesea mammalwhalesphoto idstorywildlifewhale migrationwhale watchsea animalwhale trackingphoto identificationocean-dwellingwhalecitizen scienceocean

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutspolicycsm2026natop 22 in 2022_mospollutionlight pollutiontop2022csm-featuredtop viewed 2021librarystarastronomy

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherNature & OutdoorsOcean Water MarineGeology & Earth ScienceAstronomy & SpaceEcology & Environmentatmospherenasa goweathercsm-featuredmeteorologytop2022dustcsm2026data collectionnasa-supportedcloudsappthe globe programcsm2025climateearth2025nasa-sciacttop 22 in 2022girl scoutsdust stormsnasa_nasatop viewed 2021globe

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinecsm-featuredandroidinsect populationstop viewed 2021ec2020naturelibrarygirl scoutsbiodiversitydisneymuseumgarden_mossummer reading 2021top 22 in 2022ecologyapptop2022naturalistcsm2026iphone

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcommunity engagementbeachesclimate educationtreesnasa orbiting carbon observatorysatelliteslos angelescommunitymarine environmenturban heatsea level risebirdsfloodcitizen journalismnprscienceremote sensingnew yorkweatherclimate scienceheatgirl scoutscrowdsourcingbackyardcitizen science waterwnyccoastal changenew orleansjet propulsion laboratoryearthearth scienceneighborhoodjournalismtrees urban street forest mapmappingsnowrainyale climate connectionsphotographytop2022funurban heat islandnasamountainscsm-featuredcityclimate changestoriessensorscarbonearth2025citizen scienceresiliencetop viewed 2021miamiclimatetop 22 in 2022droughtjulia kumari drapkinpublic mediaradiocsm2025

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationmarine debriscsm2025litterappocean pollutiongirl scoutstrackerearth2025top viewed 2021plastic pollutioncsm2026data collectionwaste managementdebriscsm-featurednature & outdoorsecology & environmentmarine

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