The Subaru Telescope is located near the summit of Maunakea, on the Big Island of Hawai`i, one of the best locations for astronomical observations. Under the clear, starry sky, the Subaru Telescope ...

すばる望遠鏡が建つハワイ島・マウナケアの山頂域（標高約 4200 メートル）は、世界有数の天体観測地とされています。澄みきった星空の下、すばる望遠鏡は今夜もはるか彼方の宇宙に目を向けています。 この ...

Kumiko Usuda-Sato and Tyler Ogawa, Jr. Instrument Technician, who graduated from the University of Hawai`i at Hilo, ...

Current status of PFS (As of 2025/07/30) Status of instrument All hardware is now online Fiber throughput variation issue We found that the relative fiber throughput changed in a time-scale of a few ...

NGC 958 is a spiral galaxy located in the direction of Cetus. We observe the stellar disk at an angle, featuring two prominent grand-design spiral arms and dust lanes (dark lanes) across the disk.

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, ...

In May 2014, the four large optical-infrared telescopes located near the summit of Maunakea, the Island of Hawai‘i—the Subaru Telescope, the Keck I and II Telescopes, and the Gemini North ...

The Vera C. Rubin Observatory released its first images taken with the world’s largest digital camera on June 23, 2025 (local time). This marks the beginning of the Legacy Survey of Space and Time ...

Detail ： GJ 504 b is an exoplanet orbiting a sun-like star GJ 504. It is estimated to be three to six times more massive than Jupiter, making it the least massive planet ever directly imaged. This ...

When we look up at the night sky, we see stars that appear to twinkle. This twinkling occurs because the light from the stars is disturbed by turbulence in Earth’s atmosphere caused by changes in the ...

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 ...