During our transit to Guam, our new EM304 sonar mapped a swath to the full depth of this section of the #MarianaTrench, with the deepest depth observed being 9,413 meters. Figure by Hayley Drennon, generated with QPS maritime software solutions Quimera
OET welcomes Jhen Allison Seguiwan as a #seafloormapping intern. As an undergraduate at Southern Utah University, Jhen's research keeps her connected to her home in #AmericanSamoa and to passion for protecting coastal and marine ecosystems. Learn more in her #QandA blog: bit.ly/4oyECBG
Meet Ocean Explorer Jhen Allison Seguiwan
OET proudly welcomes Jhen Allison Seguiwan to the Corps of Exploration as part of the Science & Engineering Internship Program. This internship program supports community college, undergraduate, and g...
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NEW TIME!: Join us for a Live Q&A event and hear from the avian biologists onboard #EVNautilus about their shipside #seabird and biodiversity surveys! Tune in and submit questions in real-time at nautiluslive.org
It's #NationalMegalodonDay! Learn more about the fossilized #megalodon tooth we sampled in 2022 and how scientists study these samples through our #blog: bit.ly/4eujmsl
Finding Fossilized Shark Teeth in the Deep Sea
Over the years, while exploring the deep sea, our Corps of Exploration has been fortunate enough to witness (and even sometimes sample) fossilized shark teeth. Sharks are particularly difficult to stu...
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With our new EM304 multibeam sonar upgrade, we can map deeper and more efficiently than ever before! This is especially critical as we will be exploring some of the deepest parts of the ocean in 2026. Learn more in our #blog: bit.ly/4etrb2F
OET warmly welcomes Jhen Allison Paguiligan Seguiwan, a student at Southern Utah University, to our NA178 Pacific Mapping expedition as a #seafloormapping intern! Learn more about Jhen, from #AmericanSamoa, via Samoa News: bit.ly/4uquVqm
Local student selected to explore the Ocean aboard E/V Nautilus
Pago Pago, AMERICAN SAMOA — Jhen Allison Paguiligan Seguiwan, a student at Southern Utah University, has been selected as a 2026 Seafloor Mapping & Hydrography Intern in the Scie
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Happy #WorldOceansDay! We're thrilled to launch our 2026 #oceanexploration season soon and to share our discoveries of the global ocean with the world through live streaming at NautilusLive.org. Learn more about the 2026 season via The Guam Daily Post: bit.ly/3RKYV2R
Exploration vessel Nautilus returns to Mariana waters, bringing ocean's secrets closer to home
The research vessel that took Guam residents to the edge of underwater volcanoes and hydrothermal vents rising 10 stories from the seafloor is coming back.
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In 2026, #EVNautilus will embark on 5 expeditions across the Pacific, from the biodiverse waters of the Hawaiian archipelago to the ancient volcanic depths of the #MarianaIslands and beyond, partnering with community and scientists to test new technology. Watch video: www.youtube.com/watch?v=-v9j...
OET's 2026 Expedition Season Preview | Nautilus Live
YouTube video by EVNautilus
youtube.com
OET is proud to welcome Adolfo Rodríguez Velázquez from #PuertoRico to our 2026 #ScienceCommunicationFellow cohort! Learn more about this #sciencecommunicator and professor from the UPR Cayey via Primera Hora: www.primerahora.com/noticias/pue...
Biólogo boricua explorará las profundidades del Océano Pacífico
Este verano, Adolfo Rodríguez Velázquez podrá comunicar los acontecimientos a bordo del Nautilus.
primerahora.com
OET proudly welcomes Sabrina Medina, Education Program coordinator with Maui Ocean Center Marine Institute, to our 2026 #ScienceCommunicationFellowship cohort! Learn more via @mauinow.com: bit.ly/3Sf2zBY
The Marine Institute at Maui Ocean Center educator headed to deep sea aboard research vessel Nautilus | Maui Now
A educator for the Marine Institute at Maui Ocean Center has been selected for a prestigious fellowship that will send her to one of the Pacific Ocean's most remote stretches this fall.
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Happy #WorldReefDay! #DidYouKnow that much of Earth's reefs are actually found in the #deepsea? While exploring unknown regions of our global oceans, OET uses our remotely-operated vehicles to shine a light on these dark-dwelling corals and share their wonder with the world.
The #CorpsofExploration aboard #EVNautilus are officially in shakedown! This is a pre-season period during which we test all the technology and equipment on the ship to prepare it for the fieldwork ahead. Stay tuned as we gear up for the 2026 season!
In 2026, Ocean Exploration Trust and its partners will explore deep-sea habitats in the Central and Western Pacific over five expeditions. Learn more in our blog: bit.ly/4dHyy4T The 2026 E/V Nautilus expeditions are primarily sponsored by NOAA Ocean Exploration via the OECI.
OET Launches our 2026 Exploration Season in the Central and Western Pacific Ocean!
This summer, Ocean Exploration Trust (OET) and its partners will explore deep-sea habitats in the Central and Western Pacific using E/V Nautilus, its mapping sonars, ROV systems, and other exploration...
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Congrats to 2026 Lead #ScienceCommunicationFellow Kim Etsitty from Navajo Pine High School, who will be returning to #EVNautilus this year! Learn more via The Tri-City Record: bit.ly/4uflVVR
Diné teacher selected to explore Pacific Ocean aboard Exploration Vessel Nautilus
Kim Etsitty, teacher at Navajo Pine High School, has been selected by Ocean Exploration Trust as a 2026 Lead Science Communication Fellow and will sail aboard the Exploration Vessel Nautilus this summ...
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Ocean Exploration Trust's 2025 field season took #EVNautilus across the Pacific, with seven multi-disciplinary expeditions exploring some of the region’s most underexplored waters. Read our 2025 Field Season Report here: nautiluslive.org/science/publ...
The Ocean Exploration Trust 2025 Field Season
Ocean Exploration Trust's 2025 field season took E/V Nautilus across the Pacific, with seven multi-disciplinary expeditions exploring some of the region’s most underexplored waters. Expeditions dove i...
nautiluslive.org
Piece together the wonders of the deep sea and the ROV that sees them with these multi-difficulty #puzzles, building teamwork skills, patience, and problem-solving skills with these printable #puzzles: bit.ly/42byll6
Nautilus Live Science Puzzles
Besides adding fun to learning, puzzles foster comprehensive development for all ages by boosting motor, social, and cognitive skills. Piece together the wonders of the deep sea and the ROV that sees ...
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After reviewing hundreds of competitive applications, OET is excited to announce the nineteen participants selected to join our upcoming Nautilus expedition season as part of the #ScienceandEngineeringInternshipProgram! Congratulations: bit.ly/48MoTIE
Congratulations 2026 Science and Engineering Interns!
After reviewing hundreds of competitive applications, Ocean Exploration Trust is excited to announce the nineteen participants selected to join our upcoming Nautilus expedition season as part of the S...
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Over the years, while exploring the #deepsea, our Corps of Exploration has been fortunate enough to witness (and even sometimes sample) fossilized #sharkteeth. Learn more about our observations and collections of fossilized #shark teeth in this #blog: nautiluslive.org/blog/2026/04...
Finding Fossilized Shark Teeth in the Deep Sea
Over the years, while exploring the deep sea, our Corps of Exploration has been fortunate enough to witness (and even sometimes sample) fossilized shark teeth. Sharks are particularly difficult to stu...
nautiluslive.org
It's #NationalDolphinDay! Take a look back at our 2022 #FromShoretotheAbyss expedition with the National Geographic Society. Together, the team tested new technology to study cetacean vocalization in the waters of Maui, Lanai, and Hawai’i Island: www.youtube.com/watch?v=mWAV...
A Collaboration to Study Dolphin Sounds | Nautilus Live
YouTube video by EVNautilus
youtube.com
Congrats to former #ScienceCommunicationFellow Matthew Holden on being awarded the Robert E. Yager Foundation Excellence in Teaching Awards from the National Science Teaching Association! bit.ly/4vpthXO
Who doesn’t love a #DumboOctopus? This one was spotted during a 2019 dive on Kingman Ridges. Dumbos are known for having prominent ear-like fins that extend from the mantle above each eye. Did you know dumbo octopus refers to not one, but a whole genus of umbrella-armed species.
Former OET #ScienceCommunicationFellow Ariel Waldman's new series "Life Unearthed" premieres on April 1 on PBS. Learn more: www.pbs.org/show/life-un...
Life Unearthed with Ariel Waldman
LIFE UNEARTHED with Ariel Waldman reveals Earth’s ecosystems at every scale.
pbs.org
We're excited to share our 2026 expedition season map as a preview for the upcoming year of exploration! Stay tuned for more information on what's next for #EVNautilus!
We want to extend our deepest congratulations to OET Founder Dr. #RobertBallard for being honored with the Pathfinder-class oceanographic survey ship USNS Robert Ballard in his name. Learn more: bit.ly/4uDDUGb
#WereHiring! OET is looking for a Production & Design Coordinator to join our Education and Outreach Team in a remote, full-time position. Share the wonder of ocean exploration through video production, social media, web outreach, and campaigns! nautiluslive.org/about/employ...
Are you looking for some #ocean themed books for #ReadAcrossAmerica? Check out our reading list: nautiluslive.org/resource/rec...
Recommended Reading - Favorite Titles from the Corps of Exploration
Since we know explorers love to read and learn, we asked our team for some of their favorite titles. Check out this collection of ocean-inspired books to take your next exploration adventure. Note: OE...
nautiluslive.org
We invite you to celebrate #ComputerScienceEducationWeek with our #STEMLearningModule "Codes and Controlling." Use this easy-to-follow module to teach students hardware, software & #coding basics using an Arduino microcontroller: bit.ly/4rFsGQ5 #ComputerScience #LearntoCode
Codes & Controllers
Ready to introduce students to coding & microcontroller technology? Use this easy-to-follow module to teach students hardware, software & coding basics using an Arduino microcontroller. Groups will an...
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Your artwork could go on an ocean adventure aboard #EVNautilus! Students ages 5 to 18 can submit artwork for consideration for the official Nautilus Expedition Season Stickers and Patch to be worn and displayed by members of the #CorpsofExploration. Learn more: bit.ly/47LODnm
#PublicationAlert! A recent paper describes seven new species of Lepidonotopodini #scaleworms from deep-sea chemosynthetic ecosystems, including some samples collected by #EVNautilus in the #Galapagos in 2015. Read it in Marine Biodiversity here: bit.ly/4ofrhws
A new species of a tiny deep-sea limpet reveals big secrets of the deep sea! New study from Professor Gonzalo Giribet's lab describes an exciting find from the 2023 @nautiluslive.org expedition to the remote Johnston Atoll
From the depths to discovery: a tiny limpet reveals big secrets of the deep sea
In a new study published in Molluscan Research, Harvard researchers formally describe a new species of deep-sea limpet discovered during the 2023 E/V Nautilus expedition near the Johnston Atoll.
eurekalert.org