The National Astronomical Observatory of Japan (NAOJ) has released a major update to the Hyper Suprime-Cam Legacy Archive ...

Subaru Telescope is an 8.2-meter optical-infrared telescope at the summit of Maunakea, Hawaiʻi, operated by the National Astronomical Observatory of Japan (NAOJ), National Institutes of Natural ...

For years astronomers have worried about how to explain why the Milky Way has fewer small companion satellite galaxies than the standard dark matter model predicts. Now new observations from the ...

すばる望遠鏡に搭載された超広視野主焦点カメラ Hyper Suprime-Cam (HSC；ハイパー・シュプリーム・カム) の大規模科学アーカイブから新たなデータが公開されました。 HSC は、8億 7000 万画素の ...

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 ...

The Subaru Telescope observed the interstellar comet 3I/ATLAS on January 7, 2026 (UT), after it made its closest approach to the Sun. By observing colors in the coma around the comet, astronomers ...

An international team of astronomers has discovered a tightly packed cluster of supermassive black holes dating back 10.8 billion years―the most extreme concentration of such objects ever found in the ...

Before dawn on March 3, 2022 (Hawai`i Standard Time), Subaru Telescope achieved the first launch of a new laser guide star system, upgraded and used for the Subaru Telescope’s adaptive optics system.

An international research team led by scientists at Waseda University and Tohoku University has discovered an extraordinary quasar in the early Universe that hosts one of the fastest-growing ...

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, ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early Universe, less than one billion years after the Big Bang — a type of object that had previously escaped detection. An ...