Comets are natural "time capsules," preserving ice and dust from the birth of the Solar System 4.6 billion years ago. Yet the solid nucleus of a comet is ...
Observations with the Euclid Space Telescope and ground-based facilities, including the Subaru Telescope, have led to the discovery of 31 quasars in the early Universe, powered by supermassive black ...
A large protocluster of galaxies that existed 12.6 billion years ago, first discovered with the Subaru Telescope, has been examined in detail using the James Webb Space Telescope (JWST). The study ...
This summer, Subaru Telescope will welcome a new near-infrared spectrograph, NINJA, for its first on-sky engineering observations. NINJA is a new spectrograph designed for time-critical observations ...
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 ...
Families, friends, and community members are invited to gather for an evening of Japanese culture, music, dance, science, and stargazing at the Tanabata Block Party 2026, happening Saturday, August 22 ...
NSF–DOE Vera C. Rubin Observatory has officially begun full operations for the Legacy Survey of Space and Time (LSST), one of the world's largest astronomical imaging surveys. Behind the scenes, ...
ユークリッド宇宙望遠鏡とすばる望遠鏡などの地上の望遠鏡を用いた観測から、初期宇宙に存在する 31 個の超巨大ブラックホール（クエーサー）が発見されました。そのうちの2天体は ...
Subaru Telescope’s advanced Prime Focus Spectrograph (PFS) has been given a new Hawaiian name, ʻŌnohiʻula. This name recognizes the instrument’s embodiment of the idea of "perceiving the realm of our ...
SWIMS (Simultaneous-color Wide-field Infrared Multi-object Spectrograph) has been in development since 2009 for the 6.5-m telescope at the University of Tokyo Atacama Observatory (TAO) on the summit ...
Test observations using the next-generation adaptive optics system ULTIMATE-START, developed through collaboration between Tohoku University and the National Astronomical Observatory of Japan (NAOJ), ...
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