Tokyo Electric Power announced that it has restarted the reactor at Unit 6 of the Kashiwazaki-Kariwa nuclear power plant in Niigata Prefecture, which had been halted shortly after its initial restart due to equipment problems. (News On Japan)

About 3,000 Steller sea lions have appeared on an uninhabited island off Hokkaido, marking the largest number for this time of year and adding to fishing losses estimated to exceed 1 billion yen. (News On Japan)

Influenza is once again spreading rapidly across the Kansai region, with Osaka Prefecture reaching an advisory-level outbreak for the second time in a single season for the first time in 15 years as infections surge again after the New Year. (News On Japan)

Japanese startup ALE announced on February 4 that it will conduct its third demonstration experiment to generate artificial shooting stars in 2028, positioning the project as a step toward eventual commercialization rather than a one-off spectacle. (News On Japan)

High-resolution 3D images created from aerial photographs taken after the Great East Japan Earthquake have revealed how large-scale fires spread in the aftermath of the tsunami, showing that in Yamada Town, Iwate Prefecture, debris left behind by the waves covered wide areas of the town and rendered roads ineffective as natural firebreaks, allowing flames to expand unchecked. (News On Japan)

Japan has successfully recovered rare earth–bearing mud from a depth of 6,000 meters off Minamitorishima as part of a trial mining project aimed at developing a domestic supply of critical minerals, government officials said. (News On Japan)

A prolonged stretch of unusually dry weather, described as a “once-in-30-years” event, has led to worsening water shortages across parts of eastern Japan, prompting local governments to urge residents to conserve water as reservoir levels fall to historic lows. (News On Japan)

Reports of measles infections have been emerging one after another across the Kanto region, prompting health authorities to urge the public to remain vigilant. (News On Japan)

VPS hosting has become a popular choice for website owners and businesses that need more control and steady performance than shared hosting can provide. (News On Japan)

On December 24, 2025, Lexus added a new model, the RZ600e, to its battery electric vehicle RZ series, marking the culmination of an unconventional development partnership that is challenging long-held assumptions in automotive engineering. (News On Japan)