More than 30,000 scientists gathered in Washington, D.C. for the American Geophysical Union meeting.
NASA-sponsored project team members presented discoveries made with volunteers on various research topics.
Overall, 175 posters and presentations featured the work of volunteers, and 363 scientists described themselves as involved in citizen science research.
Scientists discussed various projects about asteroids, solar eclipses, water quality, martian clouds, and more, highlighting the importance of citizen science in NASA research.