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.

Science February 5, 2020

Artificial Intelligence tool developed to predict the structure of the Universe

A team of researchers used the world’s fastest astrophysical simulation supercomputers ATERUI and ATERUI II to develop the Dark Emulator.

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

Science January 17, 2020

Here and Gone: Outbound Comets are Likely of Alien Origin

Astronomers at the NAOJ have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely originated from outside of the Solar System.

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

Science January 15, 2020

Active Asteroid Unveils Fireball Identity

At around 1 a.m. local standard time on April 29, 2017, a fireball flew over Kyoto, Japan.

Topics January 14, 2020

New Comet Discovered by Japanese Amateur Astronomer

A Japanese amateur astronomer has discovered a new comet.

Science January 9, 2020

Stellar Heavy Metals can Trace History of Galaxies

Astronomers have cataloged signs of 9 heavy metals in the infrared light from supergiant and giant stars.

Events December 25, 2019

First IAU Symposium on Inclusion and Diversity held in Mitaka Campus

From Tuesday, November 12 to Friday, November 15, 2019, the International Astronomical Union (IAU) Symposium 358 on “Astronomy for Equity, Diversity and Inclusion - a roadmap to action within the framework of the IAU centennial anniversary” was held in NAOJ Mitaka Campus.

Science December 23, 2019

Massive Gas Disk Raises Questions about Planet Formation Theory

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found a young star surrounded by an astonishing mass of gas.