SeaTube is a sophisticated video annotation system for archived or real-time/live streaming video.



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Video Annotations & Archiving

Explore the deep ocean with us! Learn more about past #ONCabyss expeditions.


Inshore observatory maintenance a wrap despite weather challenges.

#ONCabyss Spring 2025 Expedition highlights

Solid Carbon receiving $24M to advance ocean-based carbon dioxide removal

Our ocean expeditions conduct vital maintenance of our expanding ocean observatories, support surveys & gather ocean samples.


Join us virtually live onboard while we maintain and upgrade the Internet-connected ocean! 



*ONC will be embarking on our next expedition this summer. Stay tuned for updates.*