top viewed 2021

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Jan 19, 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 MarineFoodAgriculturerob dunn laboutsidewintergirl scoutssummerdietyour wild lifespringfundunn labwildlifenorth carolinafallsummer reading 2021nutrientsrob dunntop 22 in 2022antstop2022antnutritiontop viewed 2021ant picnicpicniccookies

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasanasa-sciactwisetop viewed 2021starssolar systemnasaplanetsplanet ninebrown dwarfsnasa-supported

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 2021periodical cicadascicadainsectcicadasinsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022pipestop viewed 2021healthwatertop 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmarine mammalwhale trackingunderwatersea mammalwhale watchwhale migrationmigrationtop viewed 2021storiesoceanorcaminke whalewhalesstrandingmarine mammalogysea animalwhale watchingocean-dwellingcitizen sciencephotographyrescuegpstracktrackingnon-invasivemapphoto idhumpbackphotohumpbacksmappingnature & outdoorsstorytellingseaecology & environmentmammalsfin whalecetaceanphoto identificationkiller whaledolphinfinoceansminkewhaleresearchidentificationmammalwhale biologystorywildlifeanimalconservationorcas

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacelibrarycsm-featuredtop2022natop viewed 2021light pollutionstargirl scoutstop 22 in 2022

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 Marineweathernasa goglobeappnasa-supportedcsm2025nasadust stormsatmospheredust_nasaclimatetop viewed 2021cloudstop2022nasa-sciactthe globe programcsm-featuredearth2025top 22 in 2022girl scouts

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinetop 22 in 2022top2022girl scoutstop viewed 2021gardenappiphoneec2020summer reading 2021csm-featuredandroidinsect populationslibrarymuseumnaturalistbiodiversitynature

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentjulia kumari drapkinnprmountainsscienceweatherearth2025nasa orbiting carbon observatoryneighborhoodtop 22 in 2022coastal changepublic mediadroughtclimatewnyccitizen journalismtrees urban street forest mapnew orleanscitizen science waterearthcrowdsourcingbeachesfunclimate changesensorssnowurban heatsea level risecitizen sciencecommunitytop viewed 2021resiliencetop2022remote sensingsatellitesbirdsradiomarine environmentcsm2025jet propulsion laboratoryearth sciencestoriesmiamicsm-featuredyale climate connectionsnew yorkcarbonlos angelescommunity engagementcityclimate educationmappingrainbackyardfloodgirl scoutsheaturban heat islandphotographynasajournalismtreesclimate science

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationtrackerdebriswaste managementcsm2025marineocean pollutionplastic pollutionmarine debrisearth2025girl scoutsnature & outdoorscsm-featuredecology & environmentapplittertop viewed 2021

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