top viewed 2021

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Feb 13, 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 & Outdoorsnutritiontop viewed 2021north carolinarob dunn labfallant picnicsummerfunrob dunngirl scoutstop2022dunn labantnutrientsspringdietyour wild lifeoutsidewinterantssummer reading 2021top 22 in 2022wildlifepicniccookies

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacewisenasa-sciactplanet nine_nasastarsnasa-supportedbrown dwarfsnasaplanetstop viewed 2021solar system

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 & Outdoorsperiodical cicadascicadainsectinsectscicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthpipestop2022top 22 in 2022top viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsresearchanimalmappingphotostoriesgpsstoryminkehumpbacksoceanminke whalemigrationphoto identificationwhalestorytellingtrackoceansidentificationorcafinsea animalphoto idconservationcetaceanocean-dwellingphotographyecology & environmentunderwaterhumpbackwhale trackingwhale watchnon-invasivewildlifewhaleswhale migrationkiller whalemammalmarine mammalogystrandingrescuesea mammalwhale biologymapfin whalemammalstop viewed 2021orcastrackingwhale watchingmarine mammalnature & outdoorsdolphincitizen sciencesea

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutsstarcsm-featuredlight pollutiontop viewed 2021top2022librarynatop 22 in 2022

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencetop 22 in 2022_nasacloudsweatheratmospheretop viewed 2021nasa-supportednasaglobeclimategirl scoutscsm-featureddustthe globe programnasa-sciactappdust stormsnasa gocsm2025top2022earth2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentec2020top 22 in 2022insect populationsgardentop2022naturesummer reading 2021naturalistiphonelibrarybiodiversityandroidtop viewed 2021girl scoutsappmuseumcsm-featured

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentjet propulsion laboratoryurban heat islandcsm2025earth sciencecommunitytrees urban street forest mapscienceearth2025miamitop 22 in 2022climate changebirdspublic mediaclimate educationclimate sciencebackyardtreesbeachesnasa orbiting carbon observatoryfunmarine environmentcitizen scienceraincoastal changeclimatesnowcarboncommunity engagementnasafloodcsm-featurednew orleanscitizen science watergirl scoutswnyctop2022crowdsourcingdroughtstorieslos angelesearthurban heatyale climate connectionssea level risephotographytop viewed 2021new yorkweatherheatjulia kumari drapkinsatellitesradiomountainscitizen journalismmappingremote sensingnprresiliencecitysensorsneighborhoodjournalism

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationtrackerplastic pollutionmarinetop viewed 2021ocean pollutionecology & environmentlittermarine debrisdebriscsm-featuredappearth2025nature & outdoorsgirl scoutscsm2025waste management

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