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August 14, 2026
 

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JAMSTEC

Scientists said Monday that all the essential ingredients for making the DNA and RNA that underpin life on Earth have been found in samples collected from the asteroid Ryugu.
JAPAN / Science & Health
Mar 17, 2026
Ingredients of life discovered in Ryugu asteroid samples
The discovery comes after these building blocks of life were detected on another asteroid called Bennu.
An official from the Japan Agency for Marine-Earth Science and Technology explains the agency's plan to conduct a test to excavate the deep seabed off Minamitorishima and collect deep-sea mud, in Tokyo on Tuesday.
JAPAN
Dec 24, 2025
Japan to test deep-sea extraction of rare-earth mud
The test is set to be the first of its kind in the world, reaching depths of about 6,000 meters, according to JAMSTEC.
Hiroyuki Yamato (left), president of the Japan Agency for Marine-Earth Science and Technology, and Mantle Quest President Hiroyasu Ishiguro (right) receive certificates from Guinness World Records for deep-sea drilling, in Tokyo on Wednesday.
JAPAN
Sep 25, 2025
Japanese deep-sea drilling research recognized by Guinness World Records
The research conducted last year sought to understand the mechanism behind the March 2011 Great East Japan Earthquake.
The deep sea explorer Urashima 8000 is unveiled Monday at the Japan Agency for Marine-Earth Science and Technology in Yokosuka, Kanagawa Prefecture.
JAPAN / Science & Health
May 13, 2025
Japan unveils new deep-sea probe for 8,000-meter dives
The Urashima 8000 improves on the design of a previous iteration that can dive to a depth of 3,500 meters.
The deep-sea drilling vessel Chikyu is docked at the Port of Shimizu on Sept. 5 ahead of a 106-day expedition by researchers from the Japan Agency for Marine-Earth Science and Technology.
JAPAN / Science & Health
Oct 2, 2024
Â鶹´«Ã½ deep-sea vessel digs for answers to 2011 earthquake
In a hundred-day expedition, scientists aboard the Chikyu aim to piece together the earthquake¡¯s story and assess the potential for another temblor to be triggered.
A sunset in the Arctic Ocean observed from the Japanese oceanographic research ship Mirai on Sept. 24
JAPAN
Oct 1, 2024
Japanese ship Mirai ends this year¡¯s Arctic mission
The vessel left the city of Mutsu, Aomori Prefecture, in late August for the mission.
Oceanographic research vessel Mirai is docked at the port of Sekinehama in Mutsu, Aomori Prefecture, on Monday before it embarked on an Arctic voyage later in the day.
JAPAN
Aug 26, 2024
Â鶹´«Ã½ Mirai research vessel embarks on Arctic journey
Mirai is tasked with ocean research and weather observations in the Arctic Ocean, in hopes of finding the cause and impact of rapid global warming in the area.
The Japan Agency for Marine-Earth Science and Technology's deep-sea scientific research vessel Chikyu
JAPAN
Aug 23, 2024
Kagoshima caldera took 9,000 years to form magma for ancient eruption
A research team analyzed sediments from the eruption extracted from a seabed near the huge Kikai Caldera.
Lamposts and other signs throughout Hirogawa, Wakayama Prefecture, display warnings, evacuation routes and measurements of height above sea level. The town has been hit by eight tsunami in its recorded history.
ENVIRONMENT / Earth science / OUR PLANET
Jul 21, 2024
Why Japanese researchers are looking to submarine cables for faster tsunami warnings
While Japan boasts one of the world¡¯s most sophisticated earthquake and tsunami detection systems, gaps still remain.
Takashi Tonegawa, a senior researcher at the Japan Agency for Marine-Earth Science and Technology
JAPAN
Jun 7, 2024
Japanese agency observes tsunami with submarine optical cable
The cable extends some 100 kilometers southward from an area near Cape Muroto in Kochi Prefecture.
An artist rendering of Japan's first Arctic research vessel, "Mirai II"
JAPAN
Feb 22, 2024
Â鶹´«Ã½ first arctic research vessel to be named ¡°Mirai II¡±
The name was selected from over 7,000 suggestions from the public.
Japan Times
JAPAN / Science & Health
Nov 10, 2020
Could listening to the deep sea help save it?
Scientists have been capturing the sounds of the ocean off Japan in a bid to understand the mysteries of the world below the surface.
Japan Times
JAPAN / Science & Health / NATURAL SELECTIONS
May 28, 2019
Japanese scientist puts forward theory to solve 50-year moon rock mystery (it¡¯s not cheese)
The moon was formed when it was washed out of the right eye of the god of the land while he was bathing. Tsukuyomi-no-Mikoto, the moon god of Japanese folklore, then lived forever in the heavens after climbing a giant celestial ladder from his father¡¯s bathroom.
Reference / Q&A
May 10, 2013
How signs of a ¡®lost continent¡¯ came into JAMSTEC¡¯s underwater view
The Japan Agency for Marine-Earth Science and Technology and the Brazilian government announced Tuesday the discovery of a large mass of granite on the seafloor near Rio de Janero ¡ª a landmark finding that suggests a continent may have once existed there.
Forty-five meters down, a diver races to record a fleeting moment of WWII history
Kingo Wakasa photographs the kamikaze plane wing section he discovered at the USS Emmons wreck site.
New ¡®Katsu Curry Index¡¯ aims to show how weak the yen really is
A CoCo Ichibanya curry house in Tokyo.
Mexican man arrested over attempt to smuggle some 200 lizards into Japan
Mexican alligator lizards seized by Tokyo Customs from a Mexican man who attempted to smuggle them into Japan on Saturday through Haneda Airport
Gut bacteria may be behind many of Â鶹´«Ã½ colorectal cancer cases
A Japanese research team found that a toxin produced by certain E. coli strains, colibactin, caused genetic mutations in nearly half of colorectal cancer cases studied
She is Russia¡¯s richest woman. Her business empire is going up in flames.
Tatyana Kim, the head and co-founder of Wildberries, speaks about Ukrainian drone attacks on the company's warehouses in the course of the Russia-Ukraine conflict, at an unidentified location, in this still image from a handout video released on July 31.
Forty-five meters down, a diver races to record a fleeting moment of WWII history
Kingo Wakasa photographs the kamikaze plane wing section he discovered at the USS Emmons wreck site.
Ikarigata closer to emulating older brother Fujinokawa than many think
The future Fujinokawa (third from left) and Ikarigata (right) compete against each other at ages 5 and 3, respectively.
Where do foreign residents in Japan want to die?
The Yokohama Foreign General Cemetery is one of the few cemeteries in Japan that allows burials, albeit with conditions for the deceased, including foreign nationality and permanent residency in Kanagawa Prefecture.
¡®Total whiplash¡¯: Foreign residents react to Â鶹´«Ã½ changing permanent residency rules
The entrance to the Tokyo Immigration Bureau in Minato Ward, Tokyo, in March. For some foreign residents of Japan, tightening measures for permanent residency have become one factor in a broader calculation over whether remaining in the country makes financial sense over the long term.

Podcast

One of the many entrances to the Kabukicho neighborhood in Tokyo¡¯s Shinjuku Ward.
Kabukicho: Tokyo¡¯s ¡®stadium of desire¡¯

Longform

Disaster relief workers Taichi Kato (left) and Seiji Yoshimura enter the collapsed living quarters at Kyuganji temple in Yatsushiro, Kumamoto Prefecture.
What Kumamoto revealed about Â鶹´«Ã½ earthquake readiness
By Alex K.T. Martin

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