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Active Asteroids
Help map the distribution of water in the solar system
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacenasa-sciact_nasa
NASA SciAct
within 25 miles
Oct 30, 2025
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UCLA / NASA / The Planetary Society / Zooniverse
Are we alone in the universe?
Join the search for extraterrestrial civilizations!
Anywhere
- Ongoing
Citizen ScienceBiologyAstronomy & SpaceComputers & Technologyexoplanets_nasalifesetinasa-sciactplanetstechnosignaturescivilizations
NASA / Zooniverse
Backyard Worlds: Cool Neighbors
Discover the Sun’s most extreme cosmic neighbors.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacenasa-supported_nasaresearchnasa-sciactexoplanetsbrown dwarfsstarsspaceastronomy
NASA / Zooniverse
Backyard Worlds: Planet 9
Search the realm beyond Neptune for new brown dwarfs and planets.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacebrown dwarfssolar systemnasaplanet ninenasa-sciacttop viewed 2021planetswise_nasastars
Zooniverse
Burst Chaser
Classify gamma-ray bursts
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacenew and noteworthycsm25spacecsm-featured_nasanasa-sciactcsm2025
Made possible by the NASA Citizen Science for Earth Systems Program (CSESP), the Chesapeake Water Watch is a joint project between the Smithsonian Environmental Research Center (SERC) and the City College of New York (CCNY).
Chesapeake Water Watch (CWW)
Improve Chesapeake Bay water quality
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineEcology & EnvironmentAstronomy & Spaceestuarymarine sciencecsm2025satellitesnasachesapeake baynasa-supported_nasanasa-sciacthydrocolorwater quality monitoringwater samples
NASA / Zooniverse
Cloudspotting On Mars
Characterize exotic clouds high in the Martian atmosphere.
Anywhere
- Ongoing
Citizen ScienceAstronomy & SpaceClimate & WeatherPhysicsnasa-sciact_nasa
NASA / Zooniverse
Dark Energy Explorers
Help measure dark energy when the universe was just ~2-3 billion years old.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacecsm2026csm25space_nasanasa-supportednasa-sciactcsm2025csm-featured
NASA
Exoplanet Watch
Discover more about planets beyond our solar system.
Anywhere
- Ongoing
Citizen ScienceAstronomy & Spacecsm2025amateur astronomercsm25spacetelescopenasa-sciactexoplanet_nasa
Scripps Institution of Oceanography and Universidad Nacional de La Plata
Fjord Phyto
Monitor phytoplankton communities along the Arctic and Antarctic coast
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentBiologyOcean Water Marineiaatocsm2025fjordstourismnasa-sciactmicrobesgeneticsfjordphyto_nasaicewapsnowglacial meltwaternasa-supportedmicrobeantarcticawinterphytoplanktonantarticapolarmetagenomicsmetatranscriptomicsmeltwaterglaciersantarctic