The National Science Foundation announces the Vizzies Challenge, now in its 16th year. Researchers and members of the general public are invited to submit their best science or engineering visualization. In partnership with PopSci.com, this year’s challenge will close on Sunday, April 15.

Individuals or teams can submit their entries here. NSF and PopSci.com will feature the winning entries on their respective websites. In addition, up to five Experts’ Choice winning entries will receive $2,000 each, and up to three People’s Choice winning entries will receive $500 each. Learn more about the competition and view previous year’s winners.