Topics March 13, 2020

NAOJ Statement on the Potential Impairment of Astronomical Observations by Satellite Mega-Constellations

We believe that our primary mission is to work side-by-side with the IAU and other astronomical observatories around the world, in asking for the cooperation of satellite-related businesses to seek possible solutions.

Topics February 19, 2020

GALAXY CRUISE—Your Galactic Journey as a Citizen Scientist

GALAXY CRUISE is the first citizen science project conducted by NAOJ. Why don’t you embark on a journey to explore galaxies with astronomers?

Topics February 7, 2020

Japanese Amateur Astronomers Discover New Nova in Sagittarius

A new 11th-magnitude nova has been discovered.

Topics February 6, 2020

Dr. Masami Ouchi named as a Highly Cited Researcher 2019

Dr. Masami Ouchi, a professor at the NAOJ, Division of Science, has been named as a Highly Cited Researcher 2019 by Clarivate Analytics.

Topics January 31, 2020

A new-year’s message from the Director General, NAOJ

A new-year’s message from the Director General of NAOJ, Dr. Saku Tsuneta

Topics January 14, 2020

New Comet Discovered by Japanese Amateur Astronomer

A Japanese amateur astronomer has discovered a new comet.

Topics October 8, 2019

Saturn Surpasses Jupiter After Confirmation of 20 New Moons

Using the Subaru Telescope, a team led by Carnegie's Scott S. Sheppard of the Carnegie Institution for Science has officially "discovered" 20 new moons orbiting Saturn by characterizing their orbits.

This article is including a link to a article for kids.

Topics October 4, 2019

Three gravitational-wave detectors sign agreement to begin joint observation. Collaboration will enable pinpointing origin of gravitational-wave events

The world’s three principal gravitational-wave detectors have signed a memorandum of agreement that covers scientific collaboration, including joint observation of gravitational waves and data sharing, for the coming years.

Topics September 9, 2019

2020 Breakthrough Prize in Fundamental Physics Awarded for First Image of a Black Hole

The 2020 Breakthrough Prize in Fundamental Physics has been awarded to the Event Horizon Telescope (EHT) Collaboration team.

Topics April 23, 2019

CLASP2 Rocket Experiment Launched

The CLASP2 sounding rocket experiment launched from the White Sands in the USA and observed the Sun for 6 minutes.