An international team led by a researcher at the Chiba Institute of Technology has discovered an extremely rare phenomenon: a galaxy about 10 billion light-years away ...

Delivering a lecture at the New Year "Kōsho Hajime" ceremony. Each year at the Imperial Palace in Japan, leading scholars are invited to speak at a traditional event kn ...

Test observations using the next-generation adaptive optics system ULTIMATE-START, developed through collaboration between Tohoku University and the National ...

千葉工業大学などの研究者からなる国際研究チームは、約 100 億光年彼方の銀河の明るさが、わずか 20 年ほどで 20 分の１に低下するという、極めて珍しい現象を発見しました。研究チームは、多波長にわたる観測データと過去のアーカイブデータを組み合わせた解析により、この銀河の中心にある超巨大ブラックホールへ流れ込むガスの量が急激に減少したことによってこの現象が引き起こされたと結論しました。超巨大ブラ ...

On the night of Monday, March 2, 2026, a total lunar eclipse unfolded over the Pacific region. Unlike a solar eclipse, which is visible only from a narrow path, a lunar ...

The Subaru Telescope has started a new outreach camera project in collaboration with the Asahi-Shimbun, one of the most popular newspapers in Japan. This camera is used for live streaming of the night ...

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a massive, long-lost object that collided with the Perseus cluster. Using high ...

講書始（こうしょはじめ）の儀は、明治天皇が年初に漢書と和書についての講義を専門家から聴く儀式として 1869年に始まったそうです。1953年からご進講者は人文科学、社会科学、自然科学 ...

The discovery of two remarkable substellar companions orbiting distant stars has been announced by an international team of astronomers using the Subaru Telescope’s sharp adaptive-optics imaging ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the outer edge of the Solar System that includes Sedna. The new object, ...

The MBQ1 (Medium Band Quadrant) filter is newly opened for open-use observations in Semester S26A. If you wish to use this filter during the period of S26A through S27A, you must obtain an approval in ...