2023.03.02
Resurrected Supernova Provides Missing-Link in Stellar Evolution
An international research team has discovered the first example of a supernova, known as SN 2018ivc, showing an unprecedented rebrightening at millimeter wavel…
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2023.03.02
An international research team has discovered the first example of a supernova, known as SN 2018ivc, showing an unprecedented rebrightening at millimeter wavel…
2023.02.13
On February 3, 2023, Ambassador of the Republic of Chile to Japan, His Excellency Mr. Ricardo G. Rojas, visited NAOJ Mitaka Campus.
2023.02.03
Astronomers revealed fast gas outflows from a baby star strongly colliding with nearby dense gas where a group of baby stars are being born. The result suggest…
2023.01.20
The high resolution of the ALMA telescope has revealed that magnetic fields where massive stars are born play an important role in how matter is supplied to th…
2023.01.11
January 11, 2023 | Science
Astronomers have found a way to directly measure the amount of gas in protoplanetary disks without needing to make a…
2022.12.28
The ALMA observatory is pleased to announce that it has entered into Joint Proposal agreements with the Space Telescope Science Institute (STScI) for the James…
2022.12.20
Forty-eight days after suspending observations due to a cyberattack, the Atacama Large Millimeter/submillimeter Array (ALMA) is observing the sky again. The co…
2022.12.09
Gamma-ray bursts are the most luminous explosions in the universe, allowing astrophysicists to observe intense gamma rays in short durations. Gamma-ray bursts …
2022.11.24
In conjunction with the ALMA Board meeting held in Santiago (Chile) on November 14-18, 2022, NAOJ Director General Saku Tsuneta made courtesy visits to the Emb…
2022.11.22
At the heart of nearly every galaxy lurks a supermassive black hole. But not all supermassive black holes are alike: there are many types. Quasars, or quasi-st…
2022.11.21
On October 29, 2022, the Atacama Large Millimeter/submillimeter Array (ALMA) suffered a cyberattack on its computer systems, forcing the suspension of astronom…
2022.11.02
Last Saturday, October 29, at 6:14 AM, the ALMA observatory in Chile suffered a cyberattack on its computer systems, forcing the suspension of astronomical obs…
2022.10.26
The NAOJ ALMA project and Advanced Technology Center have successfully fabricated corrugated horns by all-metal 3D-printing for the ALMA Band 1 receiver (Radio…
2022.08.29
Wide-field far-infrared image of the Small Magellanic Cloud obtained with the Herschel Space Observatory (left). ALMA image of the molecular outflow from the b…
2022.08.19
Ground-breaking 2014 HL Tau observational data from ALMA has been cited in more than 1,000 scientific studies in the past 7.5 years, aiding in major breakthrou…
2022.08.12
A research team led by Tomohiro Yoshida, a graduate student at The Graduate University for Advanced Studies in Japan, has discovered that the abundances of dif…
2022.07.01
An international research team led by Tsuyoshi Tokuoka, a graduate student at Waseda University in Japan, has observed signs of rotation in a galaxy, which ex…
2022.06.17
An international research led by X. Lu, a former ALMA postdoc fellow at NAOJ and now an associate researcher at Shanghai Astronomical Observatory, has used hig…
2022.05.31
A team of astronomers in Japan has discovered for the first time a faint radio emission covering a giant galaxy with an energetic black hole at its center. The…
2022.05.12
Astronomers have unveiled the first image of the supermassive black hole at the center of our own Milky Way galaxy. This result provides overwhelming evidence …
In April 2025, the ALMA Board approved the development of a new spectrometer for the Morita Array (*) designed and deve…
A research team led by Ayumu Shoshi of Kyushu University and the Academia Sinica Institute of Astronomy and Astrophysic…
On March 21, 2025, NAOJ participated in the public event "Open Day 2025" held at the Joint ALMA Observatory in Santiago…