top viewed 2021

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Jan 9, 2026

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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 & Outdoorsgirl scoutsoutsiderob dunnnutrientstop 22 in 2022ant picnicnorth carolinawintertop viewed 2021summer reading 2021wildlifefallfunantsummernutritioncookiesrob dunn labyour wild lifespringdietdunn labantstop2022picnic

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfs_nasastarsplanet ninenasa-supportedsolar systemnasaplanetswisenasa-sciacttop viewed 2021

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 & Outdoorsinsectperiodical cicadascicadasinsectstop viewed 2021cicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthpipestop2022top viewed 2021top 22 in 2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsphoto identificationtop viewed 2021sea mammalnature & outdoorsmammalmigrationdolphinmarine mammalogyseawildlifephoto idstoryrescuewhalewhale watchkiller whalestoriestrackingoceananimalsea animalecology & environmentidentificationcetaceanconservationunderwaterhumpbackmammalsfin whalehumpbacksorcagpsminkewhale trackingmappingphotographystorytellingstrandingmapminke whaletrackmarine mammalcitizen scienceresearchnon-invasivephotooceanswhale biologyfinwhale watchingwhale migrationwhalesocean-dwellingorcas

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenastarlibrarygirl scoutstop2022light pollutiontop viewed 2021top 22 in 2022csm-featured

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 Marinethe globe programdustnasa-sciacttop viewed 2021top 22 in 2022csm2025girl scoutscloudsclimatedust stormsglobetop2022_nasaappnasa-supportednasa gocsm-featuredatmospherenasaearth2025weather

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentnaturetop2022androidiphonegirl scoutsbiodiversitytop 22 in 2022top viewed 2021insect populationsmuseumlibrarysummer reading 2021csm-featuredgardennaturalistec2020app

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcoastal changejulia kumari drapkinurban heat islandearthcsm2025climate sciencecsm-featuredtreessensorscitizen science waterclimate educationtrees urban street forest mapbackyardweathercrowdsourcingearth2025radioearth sciencejet propulsion laboratoryurban heatnasayale climate connectionsresiliencemountainsnasa orbiting carbon observatorypublic mediaheatmappingsciencecitizen sciencefunmarine environmentbirdsnprlos angelesnew yorkremote sensingcommunity engagementjournalismtop viewed 2021climatestoriesdroughtwnycsatellitesmiaminew orleanstop 22 in 2022beachescommunitysnowcitytop2022photographyclimate changecarbonrainfloodcitizen journalismneighborhoodsea level risegirl scouts

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationmarine debriswaste managementtop viewed 2021debriscsm-featuredmarineocean pollutionnature & outdoorstrackergirl scoutscsm2025plastic pollutionecology & environmentlitterearth2025app

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