Rapidus President Koike has unveiled what the company says is the world’s first next-generation semiconductor substrate measuring 600 millimeters on each side, marking a significant step forward for Japan’s emerging chipmaker. (News On Japan)

The launch of Japan’s H3 Rocket No. 8 was aborted just seconds before liftoff on December 17th at the Tanegashima Space Center in Kagoshima Prefecture after an abnormality was detected in ground equipment, prompting an automatic halt to the countdown 17 seconds before launch. (News On Japan)

With just over two weeks remaining in 2025, preparations are in full swing for osechi, the elaborately prepared New Year’s dishes that line Japanese dining tables each year, but few may realize that one of osechi’s most essential ingredients is now facing an unprecedented crisis. Experts are issuing stark warnings that, at a realistic level, kelp could disappear from Hokkaido by the end of this century, raising concerns that extend far beyond holiday cuisine and into the very foundations of Japanese food culture. (News On Japan)