Asteroid Ryugu (left) and samples brought back by Japan Aerospace Exploration Agency’s Hayabusa2 spacecraft
JAPAN / Science & Health
Sep 11, 2025
Asteroid ice discovery may change ideas about origin of water on Earth
The parent body of near-Earth asteroid Ryugu appears to have harbored water in the form of ice for over a billion years, Japanese researchers have found.
Emergency room visits for self-harm and suicide attempts have been rising since 2019, with the sharpest increases observed among young people and women, a report revealed on Wednesday.
JAPAN / Science & Health
Sep 10, 2025
More people being hospitalized in Japan for self-harm, attempted suicide: report
In 2023, a total of 42,977 people were taken to hospital, 2,721 more than the previous year, according to the Japan Suicide Countermeasures Promotion Center.
Japan previously only allowed preimplantation genetic testing for those who could not get pregnant even after multiple embryo transfers following in vitro fertilization or those who experienced repeated miscarriages and stillbirths.
JAPAN / Science & Health
Sep 9, 2025
Japan expands preimplantation genetic testing eligibility
Eligibility was limited to those who could not get pregnant after embryo transfers following in vitro fertilization or those who experienced repeated miscarriages and stillbirths.
Takeda Pharmaceutical’s experimental narcolepsy drug shows significant improvement in late-stage trials, potentially targeting the root cause of the disorder.
JAPAN / Science & Health
Sep 9, 2025
Takeda nears first therapy for root cause of narcolepsy
Patients who took the drug, called oveporexton, for 12 weeks experienced increased daytime alertness and an overall improvement in quality of life.
Kyoto University in the city of Kyoto. A research group at the university has developed a new type of protein that binds to unwanted cells to make it easier for immune cells to remove them.
JAPAN / Science & Health
Sep 8, 2025
Kyoto University develops protein to help remove cancer cells
The protein binds to unwanted cells to make it easier for immune cells to pick out their target for removal.
A blood moon is seen during a partial eclipse in the sky over Lake George near Canberra on March 14.
JAPAN / Science & Health
Sep 5, 2025
Japan to experience blood moon lunar eclipse on Monday
The full lunar eclipse, which is set to occur in the early hours, will be Japan’s first since November 2022.
A research team led by the University of Tokyo’s Miyuki Harada has developed artificial intelligence models that can help deliver personalized infertility treatments by predicting the number and quality of eggs that a woman has.
JAPAN / Science & Health
Sep 3, 2025
Japan team develops AI models to help deliver personalized infertility treatment
The group study led by a University of Tokyo researcher found their models to be more accurate than the standard method of assessing ovarian function.

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Sumadori Bar on Shibuya Ward's main Center Gai street targets young customers who prefer low-alcohol drinks or abstain altogether.
Rethinking that second drink: Japan’s Gen Z gets ‘sober curious’